Features This product can automatically turn on and off various powered devices according to the user-set time. Suitable for automatic control of street lamps, neon lights, advertising signs, production appliances, television devices and other electrical appliances. The built-in rechargeable battery is used as a backup power to maintain synchronization, display and storage of data in case of no external power supply. ON-OFF time can be cycled daily or weekly, maximum 16 times ON-OFF. Adopt high precision industrial grade chip for accurate timing control. Specification: Operating voltage: AC220V, AC 110V, AC-DC 12V, AC-DC 24V (optional) Voltage tolerance: ±15% Breaking power: Resistive 25A, inductive 20A Power consumption: <1W Number of settings: 16 times ON and OFF (day/week) Setting time: 1 minute - 168 hours Timing error: <0.5s/24h Power off memory: 180 days or more Operating environment: -20~60℃, <95%RH Dimensions: 100 x 55 x 45 mm/3.94 x 2.16 x 1.77 inches. Weight: approx. 150 g/5.3 oz. Package list: 1 x digital timer switch. Note: 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