KAK 3.5 Inch Digital Door Peephole Camera — 120° Wide-Angle HD Display

This digital peephole looks very similar to a regular optical peephole, helping preserve privacy while delivering a 120° wide viewing angle on a 3.5-inch TFT color display with 480×320 resolution. It’s designed for easy replacement of traditional peepholes and runs on standard batteries for operation during power outages.

Key specs

• LCD screen: 3.5 inch, Resolution: 480×320
• Viewing angle: 120°
• Door hole diameter: 14–28 mm
• Door thickness: 40–100 mm
• Indoor device size: diameter 32 mm
• Outdoor device size: 118×62 mm
• Material: Zinc Alloy
• Power supply: 4× AAA batteries (not included)
• Package includes: 1x Outdoor Unit, 1x Indoor Unit, screws, metal bracket
• Hidden style peephole with wide view angle

Benefits

• 120° wide-angle live view for more doorway visibility
• 3.5" TFT color display with HD-like clarity (480×320)
• Battery-powered operation—no charging during power outages
• Simple replacement of an old optical peephole, without extra screws
• One-button start for quick, easy use
• Durable zinc alloy construction with an upgraded back plate for stability
• Low Power Alert and long standby with common AAA batteries

KAK 3.5-inch digital door peephole with a 120° wide-angle LCD display, one-button start, battery-powered (4 AAA, not included), and durable zinc alloy.

• See more of your doorway with a 120° field of view from inside your home
• Clear 3.5" color display streams images smoothly at 480×320
• No charging needed—powered by standard AAA batteries
• Replaces existing peephole without messy modifications
• One-button activation for seniors and kids
• Thickened, solid back plate for lasting durability
• Compact design suits a wide range of door setups (14–28 mm hole, 40–100 mm thick)

Questions & Answers

Q: What is the viewing angle?
A: 120 degrees.

Q: What is the display size and resolution?
A: 3.5-inch LCD color display with 480×320 resolution.

Q: How is it powered?
A: 4× AAA batteries (not included).

Q: Can it replace an old optical peephole easily?
A: Yes, it’s designed for easy replacement with no extra screws needed.

Q: What door sizes does it fit?
A: Door hole diameter 14–28 mm and door thickness 40–100 mm.

Q: What comes in the package?
A: 1x Outdoor Unit, 1x Indoor Unit, screws, and a metal bracket.

Q: What’s new in the upgraded version?
A: Thicker material and a more solid back plate for enhanced stability and durability.