Note: The price is Led Str,Included led controller (see picture) but Not Included Power Supply! WS2812B Must Use DC5V Power Supply and Led Controller to Control! Every 0.5meter with solder joints, please note! If the order does not exceed $ 5, no tracking number !! Package: choose LED str+14keys controller(Without battery) Light str features: Input Voltage:DC 5v. Power: 30leds/m----9watt/meter. 60leds/m----18watt/meter. 144Leds/m----43.2Watt/meter LED Resource: WS2812B led (5050 SMD RGB LED with built-in improved version of ws2811 ic). LED: Each LED is separately controlled. IC Type: Improved version ws2812 IC(built inside the 5050 smd rgb led). Of IC: (1 IC drives 1 led ch). Pixels: 30/60/144meter. Grey Scale: 256. Bits/color: 8-bits/color. color:White / Black . F Width: 30leds/m----10mm. 60leds/m----10mm. 144Leds/m----12mm Protection rate: 30 Non-Waterproof. 65 Waterproof in Silicon Coating. 67 Waterproof in Silicone Tube. Lighting Colors: Full color RGB, dream color changing. Cuttable: Every LED is cuttable. The Basic Parameters Of The Controller: Specification: ● Operating temperature: -20-60 °C ● Power supply voltage: 5V-24V (wide preure) ● Output: 3 channels ● Net weight: 40g ● Product size: L42*W12*H3 mm ● Remote control size: L86*W40*H7 mm ● Static power consumption: