Item Type: Time Switch Material: ABS Working Voltage: 100-240V AC Item Model Number: TB388 Battery: 2.4V NiMH battery 80mAh (shipped with matching battery) Time Range: 24h Minimum Setting Unit: 15 Minutes Setting Times: 96 times/day. Power Outage Compensation: 300 hours. Package List 1 x Time Switch 1 x Battery 1 x User Manual Pay attention to electricity safety when using. 1Smart Control: Designed to have 24 hours time range and 15 minutes minimum time setting unit for good machine control. 2Broad Utility: This mechanical timer allows for application on advertising, street light, oven, etc., very practical. 3Reliable Work: Works with great stability under low power consumption, also has 300 hours power outage compensation. 4Good Material: Adopting high quality ABS material, the battery powered time control switch is durable for long use. 5Easy to Install: Comes with a compact size and a light weight, the convenient installation can be quickly completed.