Features: The 12V PWM LED dimmer delivers smooth, hum without brightness contro from 0 to 100 % using advanced pulse width modulation technology, housed in a strong aluminum casing for best heat dissipation. Featuring double round knobs for independent light adjustment and a small plastic body, this 60W rate dimmer switches operates silently without flickering, compatible for most 12V LED systems. Ideal for automotive enthusiasts, lifers, and DIYers search professional lighting control solution for customized vehicle interiors or small living space. Perfectly adapt to car cabins, reading nooks, workshop task lighting, or mood setting accent illuminates in campers and tiny homes. Engineered with screw terminals connection and profile design, this 2 gang dimmer switches enables easy installation in tight space while extending LED bulb life through energy efficient dimming. Specifications: Component : plastic Single size: about 5x6x7cm/1.97x2.36x2.76inch Thyristor dimming: 3W-70W 0/1-10V dimming: 3W-70WLED dimming: 3-70W Constant electric dimming power supply: 60-300W Package Includes: 1xDimming switches note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.