Automate your home with the SUL180a Mechanical Timer Switch! **Working Principle:** This 24-hour timer allows you to preset the operating time for your devices. The internal battery provides continuous operation for 80-100 hours during power failures. **Precise Timing:** The minimum setting time is 15 minutes, with a standard 96 actions per cycle. **Reliable Performance:** Features a quartz motor drive and a contact capacity of 16A for resistors, 10A for incandescent bulbs, 12A for reactance (cosDiameter = 0.7), and 110VAC 750W / 220VAC 1500W for motors (cosDiameter = 0.7). **Durable & Resilient:** Designed to operate in ambient temperatures from -10°C to +50°C (non-freezing) and storage temperatures from -25°C to +55°C (non-freezing), with ambient humidity of 85% or less. **Wide Application:** The SUL180a is widely used for controlling neon lights, water heaters, streetlights, stair lights, aquaculture, garden irrigation, motors, advertising boxes, office automation, and other civil or industrial electrical needs requiring time control. **Material:** ABS + electronic components **Power Supply:** AC110V / AC220V **Frequency:** 45-60Hz **Power Consumption:** 1W **Circuit Output:** 1 normally open circuit Package Contents: 1 * Timer Switch, 1 * User Manual.