Features Timer Switch: Easily schedule regular on and off cycles for home appliances, ensu efficient operation. Switch Program: Set up to 16 switching programs with 1-16 cycles, offe a wide timing range from 1 min to 168 hours for versatile control. Data Preservation: Built-in battery preserves programmed settings for up to 60 days, eliminating the need for frequent resets. Plug-in Wi: User-friendly de with plug-in wi and clear instructions for easy installation and convenient usage. Wide Application: Perfect for timing control of street lights, advertising lights, electric boxes, water pumps, water heaters, rs, and more. Specification: Item Type: Electronic Timer : Cn101A Material: Pa66 Built in Battery: NiMH Battery ZM40H 1.2V 40mAh Rated Voltage: AC 220-240V 50/60Hz or DC 12V Voltage Limit: AC180V-250V Hysteresis: ≤1 group/day (25℃) On Off Operation: 16 on 16 off Power Consumption: 2VA (Maximum) Display: LCD Service Life: MECHANIAL 10⁷, ELECTRICALLY 10⁵ Minimum Interval: 1 minute Counting Completed: 1s-99min 56s Resistive Load: 16A/25V AC Hysteresis Load: 10A/250V AC Lamp Load: 2000W Switch Contact: 1 changeover Switch Environmental Humidity: 35-85%RH Package List: 1 x Timer Switch 1 x User Manual Package List 1 x Timer Switch 1 x User Manual