{"product_id":"the-sentinel-switch-433mhz-wireless-rf-relay","title":"The Sentinel Switch | 433MHz Wireless RF Relay Controller","description":"\u003cdiv class=\"product-narrative\"\u003e\n\u003cp\u003eControl has a frequency. The Sentinel Switch is a 433MHz wireless relay controller that puts gates, doors, lighting, and equipment within a button press — no new wiring, no app, no subscription, just a reliable radio link that answers when you call.\u003c\/p\u003e\n\u003cp\u003eBuilt on the universal 433MHz band, this two-channel receiver accepts commands from matched remote transmitters to switch AC or DC loads across a wide voltage range. Garage doors and gates open to a signal from the car; workshop lights snap on from across the yard; security and convenience equipment activates with a click.\u003c\/p\u003e\n\u003cp\u003eEngineered for easy installation, the relay connects into existing electrical setups and pairs with its transmitter in moments. Forget app-fragile smart systems that need updates and accounts — this is direct, old-school wireless control that works and keeps working.\u003c\/p\u003e\n\u003cp\u003eThe 433MHz band is a workhorse precisely because it is simple: a matched transmitter sends a code, the receiver acts, and nothing in between can crash, reboot, or demand a firmware update. That reliability is why gates, garages, and industrial doors still run on it after decades. For anyone tired of smart-home theatrics failing at the worst moment, the Sentinel Switch is the return to control that simply answers.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSome things belong at your fingertip. This is the fingertip for the rest.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-features\" style=\"margin-top:25px;\"\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"list-style:none;padding:0;\"\u003e\n\u003cli style=\"padding:8px 0;border-bottom:1px solid #eee;\"\u003e\n\u003cstrong\u003e✦ Universal 433MHz frequency\u003c\/strong\u003e — works with matched RF transmitters and standard 433MHz hardware\u003c\/li\u003e\n\u003cli style=\"padding:8px 0;border-bottom:1px solid #eee;\"\u003e\n\u003cstrong\u003e✦ 2-channel control\u003c\/strong\u003e — independent switching for two separate loads or zones\u003c\/li\u003e\n\u003cli style=\"padding:8px 0;border-bottom:1px solid #eee;\"\u003e\n\u003cstrong\u003e✦ Wide voltage range\u003c\/strong\u003e — operates across AC and DC 7-32V and 220V applications\u003c\/li\u003e\n\u003cli style=\"padding:8px 0;border-bottom:1px solid #eee;\"\u003e\n\u003cstrong\u003e✦ Garage and gate ready\u003c\/strong\u003e — ideal for doors, gates, and access control systems\u003c\/li\u003e\n\u003cli style=\"padding:8px 0;border-bottom:1px solid #eee;\"\u003e\n\u003cstrong\u003e✦ Easy pairing\u003c\/strong\u003e — connect transmitter and receiver in moments\u003c\/li\u003e\n\u003cli style=\"padding:8px 0;border-bottom:1px solid #eee;\"\u003e\n\u003cstrong\u003e✦ No app required\u003c\/strong\u003e — direct wireless control without subscriptions or accounts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-specs\" style=\"margin-top:25px;\"\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul style=\"list-style:none;padding:0;\"\u003e\n\u003cli style=\"padding:8px 0;border-bottom:1px solid #eee;\"\u003e\n\u003cstrong\u003eFrequency:\u003c\/strong\u003e 433MHz RF wireless\u003c\/li\u003e\n\u003cli style=\"padding:8px 0;border-bottom:1px solid #eee;\"\u003e\n\u003cstrong\u003eChannels:\u003c\/strong\u003e 2-channel receiver\u003c\/li\u003e\n\u003cli style=\"padding:8px 0;border-bottom:1px solid #eee;\"\u003e\n\u003cstrong\u003eVoltage Range:\u003c\/strong\u003e AC\/DC 7-32V and 220V options\u003c\/li\u003e\n\u003cli style=\"padding:8px 0;border-bottom:1px solid #eee;\"\u003e\n\u003cstrong\u003eRelay Type:\u003c\/strong\u003e Wireless-controlled relay module\u003c\/li\u003e\n\u003cli style=\"padding:8px 0;border-bottom:1px solid #eee;\"\u003e\n\u003cstrong\u003eControl:\u003c\/strong\u003e Matched remote transmitter(s)\u003c\/li\u003e\n\u003cli style=\"padding:8px 0;border-bottom:1px solid #eee;\"\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Garage door, gate, lights, access, equipment control\u003c\/li\u003e\n\u003cli style=\"padding:8px 0;border-bottom:1px solid #eee;\"\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Direct wiring into existing circuit\u003c\/li\u003e\n\u003cli style=\"padding:8px 0;border-bottom:1px solid #eee;\"\u003e\n\u003cstrong\u003eProtocol:\u003c\/strong\u003e Universal 433MHz remote system\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-applications\" style=\"margin-top:25px;\"\u003e\n\u003ch3\u003eApplication Scenarios\u003c\/h3\u003e\n\u003cp\u003eThe Sentinel Switch is the quiet upgrade for homes, workshops, and facilities. Automate a garage door, gate, or entrance from your vehicle; trigger worksite lighting while you are hands-full; control pumps, fans, and equipment at a distance; or add a second control point to an existing setup. It shines wherever a physical switch is out of reach or where app-based systems are too fragile for real-world reliability.\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-faq\" style=\"margin-top:30px;\"\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdiv style=\"margin-bottom:15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What can I control with this?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAny AC or DC load within the supported voltage range that a relay can switch — garage doors, gates, lights, pumps, fans, and other equipment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does it need Wi-Fi or an app?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. It operates on the 433MHz radio band with its matched transmitter, so there is nothing to configure, update, or subscribe to.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What voltage does it support?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt handles AC and DC applications across 7-32V and 220V depending on the module variant. Verify your load and select the correct version.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I pair the remote?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePairing connects the transmitter to the receiver using the standard 433MHz learning procedure detailed in the included instructions — typically a short programming sequence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is it safe for gate automation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen installed correctly with the right relay rating for the load, it is suitable for gate and door control. Follow local electrical codes and proper wiring practice.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use multiple remotes?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMany setups accept multiple transmitters on the same receiver, so different family members or vehicles can control the same device.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the wireless range?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRange depends on environment and antenna placement, but 433MHz typically reaches tens of meters through open air and works through walls better than higher-frequency systems. Test in your installation to confirm coverage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does it handle power interruptions?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe receiver returns to its normal state when power is restored, and a fresh command from the transmitter re-triggers the relay. Keep the power supply matched to the module variant for dependable behavior.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"eastsupplier-promise\" style=\"margin-top:25px;padding:15px;background:#f7f8fa;border-left:4px solid #1a3a5c;border-radius:6px;\"\u003e\n\u003ch3\u003eThe EastSupplier Promise\u003c\/h3\u003e\n\u003cp\u003eAt EastSupplier, every product is inspected and fulfillment-tested before it earns a listing. We ship from verified supply partners, back our catalog with responsive support, and stand behind the quality we publish. When you order, you are buying from a merchant that treats consistency as the default — not the exception. We are here for the builders, printers, restorers, and weekend explorers who value tools and materials that do not quit.\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-gallery\" style=\"margin-top:30px;text-align:center;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S430f7553eb5b469780a4c53940b7bf65g.webp?v=1725236869\" alt=\"EastSupplier product detail\" style=\"max-width:100%;height:auto;border-radius:8px;margin:10px auto;display:block;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Se052432ee0b84a37bb8101c6f1a98026X.webp?v=1725236868\" alt=\"EastSupplier product detail\" style=\"max-width:100%;height:auto;border-radius:8px;margin:10px auto;display:block;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S48875bc91e094ddebc1f56c87eacf89cD.webp?v=1725236869\" alt=\"EastSupplier product detail\" style=\"max-width:100%;height:auto;border-radius:8px;margin:10px auto;display:block;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S4212541a8082488ebd0d185a7930bf6aO.webp?v=1725236868\" alt=\"EastSupplier product detail\" style=\"max-width:100%;height:auto;border-radius:8px;margin:10px auto;display:block;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S166b2489806a489ca7556f7c182366d9O.webp?v=1725236869\" alt=\"EastSupplier product detail\" style=\"max-width:100%;height:auto;border-radius:8px;margin:10px auto;display:block;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Se84b8c0e43c148838b2a9f7853b02867J.webp?v=1725236869\" alt=\"EastSupplier product detail\" style=\"max-width:100%;height:auto;border-radius:8px;margin:10px auto;display:block;\"\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"The Sentinel Switch | 433MHz Wireless RF Relay Controller\",\n  \"sku\": \"8790737289439\",\n  \"url\": \"https:\/\/eastsupplier.com\/products\/the-sentinel-switch-433mhz-wireless-rf-relay\",\n  \"image\": [\"https:\/\/eastsupplier.com\/products\/the-sentinel-switch-433mhz-wireless-rf-relay\"],\n  \"description\": \"The Sentinel Switch | 433MHz Wireless RF Relay Controller\",\n  \"brand\": {\"@type\": \"Brand\", \"name\": \"EastSupplier\"},\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"url\": \"https:\/\/eastsupplier.com\/products\/the-sentinel-switch-433mhz-wireless-rf-relay\",\n    \"priceCurrency\": \"USD\",\n    \"price\": \"58.39\",\n    \"availability\": \"https:\/\/schema.org\/InStock\",\n    \"itemCondition\": \"https:\/\/schema.org\/NewCondition\"\n  },\n  \"aggregateRating\": {\n    \"@type\": \"AggregateRating\",\n    \"ratingValue\": \"4.7\",\n    \"reviewCount\": \"4\"\n  }\n}\n\u003c\/script\u003e","brand":"East Supplier Platform","offers":[{"title":"AC DC 7-32V","offer_id":46281081684191,"sku":"1005006144320992-AC DC 7-32V","price":22.66,"currency_code":"USD","in_stock":true},{"title":"85-250V RX and RF A","offer_id":46281081716959,"sku":"1005006144320992-85-250V RX and RF A","price":58.39,"currency_code":"USD","in_stock":true},{"title":"7-32V RX and RF A","offer_id":46281081749727,"sku":"1005006144320992-7-32V RX and RF A","price":58.34,"currency_code":"USD","in_stock":true},{"title":"AC 85-250V","offer_id":46281081782495,"sku":"1005006144320992-AC 85-250V","price":22.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S430f7553eb5b469780a4c53940b7bf65g.webp?v=1725236869","url":"https:\/\/eastsupplier.com\/en-fr\/products\/the-sentinel-switch-433mhz-wireless-rf-relay","provider":"EastSupplier Platform","version":"1.0","type":"link"}