Features Good Material Adopting high quality ABS material, the battery powered time control switch is durable for long time use. Reliable work: works with high stability under low power consumption, also has 300 hours power failure compensation. Wide Use:This mechanical timer allows application on advertising, street lighting, oven, etc., very convenient. Smart Control: Designed to have a time range of 24 hours and a minimum time setting unit of 15 minutes for good machine control. Easy to Install - Comes with compact size and light weight, convenient installation can be quickly completed. Specification: Item Type: Timer Material: ABS Operating voltage: 100-240VAC Item Model Number: TB388 Battery: 2.4V 80mAh NiMH battery (supplied with the corresponding battery) Time range: 24 hours. Minimum setting unit: 15minutes Setting time: 96 times/day. Power failure compensation: 300 hours. Package list: 1 time switch 1 battery 1 x user manual (English language not Small note: Pay attention to electrical safety when using. Package List 1 x Time Switch 1 x Battery 1 x User Manual