Usage Tips:Item Type: LED Light Dimmer Material: Aluminum alloy Gross weight: approx. 100g / 3.5oz Product size: 85x 64x20mm / 3.3x2.5x0.8in(LxWxH) Dimming Range: 0-3% - 100 % (stepless dimming) Input Voltage: DC 12-24V Input Current: 0-30A, less than 30A Operating Temperature: - 20-60 Purpose: Mainly used to adjust single color LED lights, light strips, single color 5050 3528 light strips Service Life: 50000H 1Stepless Dimming: The power is sufficient, and there is no flicker when the phone is shooting. 0?3% to 100 % stepless dimming, which can easily adjust the brightness through the knob to meet different light brightness requirements. 2DC 12V to 24V: Please check whether your power supply is a DC power supply before purchasing. Input DC 12?24V voltage, less than 30A current. 3Single Color Light Dimming Control: This dimmer controller mainly used to adjust single color LED lights or light strips, for 5050 3528 single color light strips. 4Aluminum Alloy Housing: Constructed from premium aluminum alloy housing, this LED dimming controller is wear resistant and impact resistant. 550000H Service Life: With stable heat dissipation and exquisite workmanship, this light dimmer controller has a long service life expectancy up to 50000H.1. This product is only suitable for DC power supply, not for AC power supply. 2.This product is not suitable for multi color LED lamps, such as RGB light strip and lamp, desk lamp, fan, energy saving lamp, bulb, etc.1 xLEDLightDimmer 1 x Manual