Adjustable Power Adapter Speed Controller LED Light To Adjust Brightness $ 5.94 Specification: Model: Stepless speed regulation 5-24V Type: AC/DC power supply Input voltage: 100-240V (V) Output power: 24 (W) Output voltage: 5-24V (V) Work efficiency: 95 (%) Working temperature: 0-45 () Dimensions: 553520 Specification: 553520 Packing list: Power adapter x1