1. perfect for household use in DB Boards. 2. Repeat programs with 17 on/off settings, and setting on/off manually. 3The Timer can open or close kinds of electrical apparatus and automatically, according to the preset time. 4The items can be streetlight, neon light (sign), , electrical appliances, broadcast equipments etc., 5The digital timer switch is within rechargeable battery, in 12V/40Ma, high-accuracy CMOS chip, strongly anti-jamming, easy to use. Specifications: Temprange: -20 Celsius+50 Celsius Supply:220V AC consumption 45 VA (MAX) Display: LCD Switching contact: 1 changeover switch Programs:17 on/off each day or week Hysteresis 1 sec/day (25 Celsius) Mini interval: 1min Black-out: 60 days Timer range: 1min~168h Recharge battery: 12V 40Ma Average error: 1s/24h, 25 Celsius Colour:white Material:ABS+electronic components Size:120cm x 80cm x 60cm Package Contents: 1 * Timer 1 * User Manual Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.