Features: 1. This product can automatically switch on and off the power of various powered devices according to the time set by the user. 2. Suitable for the automatic control of street lamp, neon lamp, advertising sign lamp, production device, broadcast television device and other power devices. 3. Adopt high precision industrial grade chip for accurate timing control. 4. Built-in rechargeable battery is used as a backup power supply to maintain the timing, display and data storage in case of no external power supply. 5. ON-OFF time can be cycled by day or week, maximum 16 times ON-OFF. Specification: Working voltage: AC220V, AC 110V, AC-DC 12V, AC-DC 24V (Optional) Voltage tolerance: 15% Switching capacity: Resistive 25A, inductive 20A Power Consumption: 2W Number of settings: 16 times ON and OFF(day/week) Setting time: 1 minute - 168 hours Time-keeping error: