Crqes 5 Pcs Mini In-Line LED Strip Light Dimmer Controller On/Off Switch Caravan Cam Size: 45mm x 15mm x 7mm 8 level brightness adjustable 5 level speed adjustable 256 level PWM control mode,Working voltage DC5-24v,Max output current :12A,Up to 144 power Package includes:5 x Mini In-line LED Light Controller/Dimmer