The Portal Guardian | 3.5" HD Digital Door Peephole Camera with 120° Wide-Angle Lens

EastSupplier PlatformSKU: 1005011680869783-Complete Set-United States

Color: Complete Set
Price:
$91.66

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Stock:
Only 5 units left

Description

Your Door Is the First Interface Between Your Family and the World.

Front-door security has traditionally meant a peephole — a fisheye lens that distorts faces, narrows perspective, and offers no record of who approached. The Portal Guardian dismantles this paradigm. It transforms your door into an intelligent access point with a 3.5-inch HD display, a 120-degree wide-angle lens, and real-time electronic viewing that turns every visitor into a clear, identifiable image before your hand touches the lock.

Designed for apartment dwellers, homeowners, and small business operators, the system captures what traditional peepholes miss: peripheral approach, package deliveries, and nighttime visitors. The integrated doorbell function and infrared night vision ensure that darkness is not a blind spot. Installation requires no wiring, no drilling, and no professional — it replaces your existing peephole in under three minutes, delivering enterprise-grade door surveillance at residential accessibility.

Before you open the door, know who stands behind it. Every time.


Key Features

3.5-inch high-definition LCD display with 480×320 resolution renders visitor details in sharp clarity — identify faces, packages, and uniforms at a glance
120-degree ultra-wide-angle lens eliminates the tunnel-vision effect of traditional peepholes — captures hallway approaches, side movements, and multiple visitors simultaneously
Infrared night vision with automatic light-sensing activation delivers clear B&W imagery in complete darkness — no porch light required
Integrated electronic doorbell with 3-level adjustable volume — no wiring, no external chime module, no professional installation needed
Photo capture and video recording to onboard microSD storage (up to 32GB, card not included) — review visitor history by timestamp
Universal door compatibility supports door thicknesses from 35mm to 110mm — replaces standard 14-28mm peephole apertures in under 3 minutes with included tools
Powered by 4×AA batteries with 6-month typical battery life under normal usage — low-battery indicator on display eliminates surprise power loss

Technical Specifications

Display
3.5" TFT LCD, 480×320 resolution, 4:3 aspect ratio
Camera Sensor
1/4" CMOS, 0.3MP, IR-cut filter
Lens Angle
120° diagonal field of view
Night Vision
Infrared LED array, auto-activation at <1 lux, range 1.5m
Door Compatibility
35mm–110mm thickness, 14–28mm peephole aperture
Storage
MicroSD slot, supports up to 32GB (FAT32), card not included
Doorbell
Integrated electronic chime, 3-level volume (70/80/90 dB)
Power
4× AA batteries (alkaline or NiMH rechargeable)
Battery Life
~6 months typical, ~200 activations/month
Dimensions
Outdoor unit: 42mm dia. × 12mm depth; Indoor: 115 × 72 × 18 mm

Who It's For

Apartment Dwellers, Elderly Homeowners, Solo Residents, and Small Business Operators. The Portal Guardian fills the security gap between a basic peephole (which distorts and records nothing) and a full smart doorbell system (which requires Wi-Fi, wiring, and monthly subscriptions). For seniors who want to screen visitors without approaching the door, for parents who want to know when children answer the doorbell, and for small retail back-offices that need discreet delivery-door monitoring, this device delivers enterprise-grade door surveillance at a single purchase price with zero recurring costs.

Frequently Asked Questions

Q: Does this require Wi-Fi or an internet connection?

A: No. The Portal Guardian is a fully standalone device. All image processing, display rendering, and photo storage happen locally on the device. There is no companion app, no cloud subscription, and no dependency on your home Wi-Fi network. The only external requirement is 4×AA batteries, which last approximately 6 months under typical usage.

Q: Will it fit my door? I have a metal security door.

A: The Portal Guardian is compatible with door thicknesses from 35mm to 110mm and standard peephole apertures of 14–28mm diameter. Metal doors within this thickness range work perfectly — the camera unit and interior display connect through the existing peephole hole using the included threaded cylinder. If your peephole aperture is outside the 14–28mm range, a simple drill-bit expansion is all that is needed. No wiring, no external mounting brackets, no permanent modifications to the door surface.

Q: How clear is the night vision? Can I identify faces in the dark?

A: The infrared night vision activates automatically when ambient light drops below 1 lux (roughly the brightness of a single candle at 1 meter distance). At typical doorway distances of 0.5–1.5 meters, the IR illuminator produces clear monochrome images with sufficient facial detail for identification. For best results, avoid pointing the outdoor unit directly at a bright streetlight, which can cause IR sensor saturation.

Q: Can multiple people in the household monitor the door?

A: The indoor display unit is a single screen mounted on the interior side of your door. Anyone in the room with the display can view the live feed or browse captured photos. For multi-room monitoring, there is no wireless streaming capability — this is a focused, privacy-first device. The simplicity of a single dedicated display is intentional: no network means no remote hacking vector.

Q: How do I retrieve photos from the microSD card?

A: Remove the microSD card from the side slot of the indoor display unit and insert it into any computer or phone with a card reader (or use the included USB adapter). Photos are stored as standard JPEG files in timestamped folders. No proprietary software is required. The device can store approximately 6,000–8,000 photos on a 32GB card before overwriting the oldest files.

Customer Reviews

Customer Reviews

Based on 3 reviews
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S
Sophia N.
Great for small retail back offices

I run a small boutique and installed this on our stockroom door where deliveries arrive. The photo capture feature lets me review who came by during the day when I'm on the sales floor. The wide-angle lens covers the entire loading area, not just the person standing directly in front of the door. My only suggestion: I wish it had a motion-activated mode so I didn't have to press the button to turn on the display. But for the price and the fact that there are zero ongoing costs, it's a solid investment.

A
Arthur B.
Perfect solution for elderly parents

Bought this for my 78-year-old mother who was nervous about answering her door since a series of break-ins in her neighborhood. She mastered it in one afternoon — the display is large enough for her eyesight, and the battery life means I only need to change AAs twice a year. The doorbell function is loud enough that she hears it from the kitchen. Most importantly, she now checks the screen before opening the door. That behavioral change alone is worth more than the price of the device.

M
Mei L.
Finally, a peephole camera that doesn't need Wi-Fi

I live in a rental apartment where I can't drill holes for a Ring doorbell or run wires through the wall. This replaced my standard peephole in literally 3 minutes using just the included screwdriver. The 120-degree lens is the real selling point — I can see packages left on the floor, delivery people standing to the side, and my hallway neighbor's door. The night vision is crisp enough to identify faces at night. No subscription, no app, no cloud storage — just a screen on my door that works every time. Exactly what I wanted.

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