doorbell with camera 2.8-inch high definition screen TFT-LCD camera:300K PIxel,4X digital zoom,105degrees, 3pcs AAA batteries

Description:* Replace conventional door peephole viewers, easy installation, no wiring;* Indoor active surveillance, indoor and outdoor intercom;* Clear image in LCD Panel on door, easy to see for people of any height;* Simply push a button to see large image without darkening the peephole;* Applicable for Any user without height and age limits;* Automatic power saving, low power remind function. Main Technical specifications: Power: 3pcs AAA Alkaline batteries Camera: 300K Pixel, 4X digital zoom Display Screen : 2.8-inch high definition screen TFT-LCD Camera Angle:  105° Operation Temperature Range: -10°C to +55°C