General description This 2.4 Inch Mini Digital Peephole Viewer Door Camera is a smart wireless remote video doorbell designed for enhanced home security. It features HD night vision and a visual intercom, making it suitable for both men and women. The device allows you to monitor your entrance with ease and provides a clear view of visitors. Technical specifications Condition: 100% Brand New Item Type: Smart Door Viewer Material: ABS Plastic Screen Size: Approx. 2.4 inch Screen Resolution: 320 x 240 Sensor: 0.3MP CMOS Active Digital Image Sensor Viewing Angle: 90° Power Supply: 600mAh Applicable Door Hole: Approx. 14-28mm Door Panel Thickness: Approx. 35-120mm Night Vision Function: Supported Storage Method: Memory Card Storage Usage Power On/Off: Press the "power key" to turn on; hold for 3 seconds to turn off. Review Photo: In power on mode, use "left key" or "right key" to review photos. Delete All Photos: Press "left key" for three seconds while in power on mode or reviewing