Features Adopt high precision industrial grade chip for accurate timing control. The built-in high-performance battery is used as a backup power supply to maintain synchronization, display and storage of data in case of no external power supply. Suitable for automatic control of street lamps, neon lights, advertising signs, production appliances, television devices and other electrical appliances. This product can automatically turn on and off various powered devices according to the user-set time. With strong anti-interference rejection, stable performance. Specification: Operating voltage: AC-DC 12/24/110/220V (optional) Switching capacity: 30A Number of settings: 16 times ON and OFF (day/week) Setting time: 1 minute - 168 hours Timing error: 1s/24h Power Off Memory: 180days or more Battery: Built-in 1.2V 40mA rechargeable battery Mounting method: screw mounting or rail mounting Dimensions: 86 x 36 x 66 mm/8.5 x 1.4 x 2.6 cm. Weight: approx. 145g/5.1oz Package list: 1 x digital timer switch. Tips: 1. Due to the difference between different monitors and lighting effects, the pictures may not reflect the actual colour of the item. 2. Please allow for slight errors due to manual measurement. Thank you for your understanding. Package List