Features 5W power consumption, low power consumption, energy saving and environmental protection. Mechanical timer is suitable for street lights, low voltage time control systems, etc. Made of high-quality electronic components, stable and reliable performance. 24-hour mechanical timing switch without power failure. With removable battery, more convenient to use. Specification:Item Type: Mechanical Timer Model: TB-388 Electric Shock Capacity: AC250V 20A Time Range: 24h Minimum Setting Unit: 15 minutes Setting Times: 15 minutes / 96 times With removable battery Battery Type: 100mAh button battery Package List: 1 x Time Switch  1 x Battery Accessories  1 x User Manual  Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package List 1 x Time Switch 1 x Battery Accessories 1 x User Manual