Features: 1. This product can automatically turn on and off the power to various powered devices according to the time set by the user. 2. Suitable for automatic control of street lights, neon lights, advertising sign lights, production equipment, broadcast TV equipment, and other power devices. 3. Uses a high-precision industrial-grade chip for accurate timing control. 4. Built-in high-performance battery is used as a backup power source to maintain timing, display, and data storage in the event of no external power supply. 5. With strong anti-interference rejection, stable performance. Specification: Switching Capacity: 30A Number of Settings: 16 times ON and OFF (day/week) Setting Time: 1 minute - 168 hours Time Error: 1s/24h Power Outage Memory: 180 days or more Battery: Built-in 1.2V 40mA rechargeable battery Mounting Method: Screw mounting or rail mounting Dimensions: 86*36*66mm / 3.4*1.4*2.6in Weight: Approx. 145g/5.1oz Package List: 1 * Digital Timer Switch Note: 1. Due to the difference between monitors and light effects, the pictures may not reflect the actual color of the item. 2. Please allow a slight error due to manual measurement. Thanks for your understanding.