Attention: Can only be installed at the back Features: 1. lightweight design, light weight, more convenient to use; 2.170 degree adjustable wide viewing angle with high sensitivity and clarity; 3. Dustproof and waterproof; 4. Used as a revision camera or security camera; 5. Improve safety when used as a security camera; 6. Multi-functional compatibility can be connected to any CCD type of display; ------------------------------------------------------------------------------ Specifications: Signal system: NTSC Visual angle: 170 degrees Power supply: DC12V