Please be careful to choose 5v/12V / 24V voltage before order ! Specification: Type: COB LED Strip Lights Color: White / Warm White / Natural White Length: 1m/2m/3m/4m/5m/10m Support dimmer to control brightness:Yes with extra controller. LED quantity: 320 LEDs/m Input Voltage: DC12V /24V FPCB width: 8mm Waterproof Level: IP20, not waterproof. Input interface: DC Female Color temperature: Warm White(3000K), Natural White(4000K), Cool White(6500K). Color Rendering Index: Ra>90 Operation temperature: -10℃-+45℃ Storage temperature: -10℃-+60℃ View angle: 180° Note: Rated power: 5W/m, Because of voltage drop, usually it can not reach full power. The longer the strip is, the more voltage drop it will be.