Kallox electrical roller blind Specifications Input voltage220v/50hz or 120v/60hz Output voltage12vdc Operation power6w. Stand by power0.05w. Maximum remote distance12m. Endurance of the motorapproximate 1000 hours. Range of the blind width0.5-2.0m Maximum loading< 3kgs Features Slim designed; weight and volume are 30% less than other similar product in the market. One remote control can operate 8 sets of units without interference each other. Open and close the roller blind by remote control or control pad. Stop at any prefers position. Simple and easy installation with driver and control system in one box. Installation is very easy for everyone. Safe and reliable designed with 12vdc transformer with gs, bs, ce or ul approval Automatic stop in 2 seconds when the curtain is fully opened or closed. Packing dimension 220x180x120mmAppro.3.0kgs