Energy Saving Controller User-friendly Reliable Cost-effective Efficient Convenient Smart Rail Timer Switch 220v Advanced Smart Description: 100% brand new and high quality Ideal for household use in DB Boards 3500 Watt / 16 Amps 24 hours / 7 a week programmable Built-in battery for backup the memory when power failure Auto time error correction +/- 30 sec, weekly Repeat programs with 16 on/off settings, and setting on/off manually Specifications: Working : 220V Temp.range: -20°C+50°C Power Supply:according order Power consumption 4.5 VA (MAX) Display: LCD Switching contact: 1 changeover switch Programs:16 on/off each or week Hysteresis 2 sec/day (25°C) Mini interval: 1min Capacity: 16(8) 250V Black-out: 60 Timer range: 1min~168hr Recharge battery: 1.2V 40Ma Average error: 1s/24h, 25°C Size: 80 x 56 x 36mm Weight: 0.2kg Package Included: 1 x Timer Switch 1 x User Manual