Feature: 1. Smart Control: The mechanical timer with 24 hours time range and 15min minimum setting unit enables better control on your equipment. 2. Great Support: Under power failure, the time control switch can continue to operate for 100 hours for higher safety and reliability. 3. Reliable Work: Low in power consumption and high in accuracy, the waterproof time switch with flame retardant PC casing is very safe. 4. Broad Utility: Widely applied to lights, water heaters, garden irrigation, motors, auto control and so on for your various work needs. 5. Easy to Install: Comes with a compact size and a light weight as well, the installation is very convenient to be finished in minutes. Specification: Item Type: Time Switch Working Voltage: 110~250VAC 45~60Hz Time Range: 24h Ambient Temperature: -10℃ ~ +55℃ Power Consumption: 0.5W Power Failure Compensation: 100 Hours Minimum Setting Unit: 15min Setting Times: 15 minutes a time, 96 times a day. Battery: 1 x button battery CR2032 3V 240mAh, shipped with built in battery. . Package List: 1 x Time Switch