CrazyDeal 12V DC Mini LED Controller Dimmer with DC Plug for 3528 5050 LED RGB Strip Light genial comfortable Easy to accomplish dim and speed adjustment Used for RGB LED strip such as 5050, 3528, etc. Small size, convenient to use, competitive price with reliable quality 3 keys manual controller is designed to substitute 24 keys IR remote controller Speed and Brightness Adjustable Connector: One end is 4pins female connector, the other is DC female adapter Work Voltage : 12V DC Working temperature: -20-60 Connection mode: Common Anode(+) Size: 15cm x 0.5cm - 5.88inch x 0.2inch