This product can automatically turn on and off various powered devices according to the time set by the user. The built-in rechargeable battery is used as a backup power supply to maintain timing, display, and data storage in the absence of external power supply. Adopt a high-precision industrial-grade chip for precise timing control. The ON-OFF time can be cycled daily or weekly, with a maximum of 16 ON-OFF times. Suitable for automatic control of street lamps, neon lights, advertising signs, production equipment, TV sets, and other electrical appliances.