working principle: Set the time of the machine\/product in advance, mechanically driven;The battery inside the machine can work continuously for 80-100 hours under failure;the product is a 24-hour time switch, the minimum time set is 15 minutes;The clock icon on the machine faceplate indicates the start of the set time mode;The I graphic on the machine panel indicates the lock setting.: MechanicalModel Number: SUL180aUsage: Timer SwitchType: Mini supply: AC110V \/ AC220V frequency: 45-60Hz consumption: 1WDrive mode: quartz motorContact capacity: Resistor 16AIncandescent 10AReactance (cosDiameter = 07) 12AMotor (cosDiameter = 07) 110VAC 750W, 220VAC 1500WMinimum setting time: 15 minutes.Action: Standard 96 actioncircuit output: 1 circuit normally openCycle time: 24 hours failure compensation: 72 hours (built-in battery)Ambient temperature: -10 ~ + 50 Degree (no freezing)Storage temperature: -25 ~ +55 Degree (no freezing)Ambient humidity: 85% or lessApplication:SUL180a can be widely used in the neon lights, water heaters,street lamps, staircase lights, aquaculture,garden watering, motors, advertising boxes, office automation and other civilian orindustrial electricity needs time control of the occasion,according to the required time for automatic control.colour: Grayish whiteMaterial: ABS+ electronic componentsPackage Contents:1 * Timer Switch1 * Instruction manualOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.