Gain precise control over your electrical devices with this 5-pack of SUL180a Mechanical Timer Switches. These 24-hour cycle timers allow you to pre-set power on/off times with a minimum interval of 15 minutes, offering automatic control for a wide range of applications. Designed for reliability, each unit features an internal battery providing 72 hours of power outage compensation, ensuring continuous operation for 80-100 hours in case of power interruption. The clock icon on the front plate indicates the set time mode, while the 'I' graphic signifies the lock setting. Versatile and robust, these timers are widely applicable for controlling neon lights, water heaters, streetlights, stairwell lighting, aquaculture systems, garden irrigation, motors, advertising boxes, office automation, and other civil or industrial electrical needs requiring precise time management. Specifications: Type: Mini Mechanical Timer Switch (SUL180a) Power Source: AC110V / AC220V Frequency: 45-60Hz Power Consumption: 1W Operation Mode: Quartz Motor Contact Capacity: Resistor: 16A Incandescent Lamp: 10A Reactive Load (cosφ = 0.7): 12A Motor (cosφ = 0.7): 110VAC 750W, 220VAC 1500W Minimum Setting Time: 15 minutes Action: Standard 96 action circuit output (1 normally open circuit) Cycle Time: 24 hours Power Failure Compensation: 72 hours (built-in battery) Operating Temperature: -10 ~ +50°C (non-freezing) Storage Temperature: -25 ~ +55°C (non-freezing) Ambient Humidity: 85% or less Color: Gray-White Material: ABS + Electronic Components Package Contents: 5 x Timer Switches, 5 x User Manuals