High light transmission: 16mm super clear 1.3 million pixel lens, excellent night vision effect. Function: 720P high-definition display, with video recording and camera functions. Specification: Name: Infrared Night Vision Colour: Black Voltage: 3.7V Power supply: 1Pcs battery (not included) Working Time Of Battery:1500mah 1.5hours;if IR turn off, 5hours 2600ma.