Triggered by sudden change of ambient temperature caused by moving game in a region of interest (ROI), which is detected by a Passive Infra-Red (PIR) sensor, and then take pictures or video clips automatically. Features: 5 Mega Pixels CMOS sensor that converts to 12 Mega Pixels on 5210A, Sharp and bright colour pictures in daytime and clear black/white pictures at night, power duration in standby mode, up to 3 months with 4 x AA batteries and 6 months with 8 x AA batteries Working temperatures from -22 °F to 158 °F,Size (139.7 x 88.9 x 63.5 mm), Trigger time (1 second), Backpack-looking tree grabber for easy mounting and aiming, Serial Number function enables labelling locations in the photos, Date, time, temperature and moon phase can be stamped in the pictures, Lockable and password