... LCD camera:300K PIxel,4X digital zoom,105degrees, 3pcs AAA batteries Description:* Replace conventional door peephole viewers, easy installation, no ... remind function. Main Technical specifications: Power: 3pcs AAA Alkaline batteries Camera: 300K Pixel, 4X digital zoom Display Screen : 2 ... -10°C to +55°CParameter Power 3pcs AAA Alkaline batteries Camera 300K Pixel, 4X digital zoom Display Screen 2.8 ...