... band, Ka band, Ku band and laser.2. Voice alert is adjustable on 4 levels of volume: loud, medium, quiet ... . Received frequency: 2.4GHZ. 2. Photosensitive components 1/4-inch color, CMOS, 3. Pixel 628X582, resolution of ... 380TV lines 4. The illumination 3LUX (infrared light at 0 Lux) 5 ... : TXT,Game car rear mirror with DVR ,4.3'inch GPS function,rear mirror GPS DVR