Features: 1.According to your setting time,auto turn on/off the electric appliance. 2.Built-in rechargeable battery for backup the memory when power failure . 3.Timer setting range: 1min~168h,satisfy your need. 4.Repeat programs with 17 on/off settings, and setting on/off manually 5.7 days programmable. Description: 1.High accuracy, light weight design. 2.Widely used for advertising light board, street lamp, oven, broadcasting equipment and electric appliance etc. Specification: Brand:SINOTIMER Model:TM615-2 Color:white Working voltage: 220V AC Power consumption: 1.5 W Display: LCD Programs:17 on/off each day or week Hysteresis: 1 sec/day Black-out memory: 60 days Timer setting range: 1min~168h Recharge battery: 1.2V/40mA battery(built-in) Mounting: 35mm din rail Package Information: Package Size: 153x 95 x 45mm/6.02 x 3.74 x 1.77in Package Weight: 133g/4.69oz General Box Package Package Included: 1 x Timer Switch 1 x User Manual