DC 12V LED power supply LED lights with general connection method voltage, so need to use switching power supply, the size of the power supply according to the power and the connection length LED lights to be. If you do not want each LED lights are used to control a power supply, you can buy a relatively large power switching power supply make the total supply LED flexible light strip, then all the LED lights all in parallel with the input power (wire size is not enough, then you can Also extended) Weinan LED soft light spot, unified by the total switching power supply. The advantage is that centralized control, convenient place is lit effects and switching control can not be achieved with a single LED lights, the specific measure which way to go by themselves. LED light controller connection RGB LED ticker tape and all lights need to use the controller to achieve with changing effects, and control the distance of each controller is different, in general Weinan LED flexible light strip specializing in the production, simple controller The control distance of 10-15 meters Weinan LED soft light direct, control distance remote controller is 15-20 meters, the longest can control up to 30 meters away. If the LED lights with connection distance is longer, but the controller can not control so long lights, then you need to use the power amplifier to tap. Weinan LED Strip wholesale, LED flexible light strip, Chun Chun far away illuminated by lighting Limited. Lighting Co., Ltd. Shenzhen far (www.zhenyuled.cn) (www.zhenyuanled.cn) strong, credible, in Xi'an of sodium and other industries has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Shenzhen far into the brilliant light and you work for a better future!