Usage Tips:1PCS Adjustable LED Dimmer 220V Lights Switch Lighting Button Dimmer Controller BlackP2021122450 Switching and dimming incandescent lamps, dimmable LED Lamps HV halogen lamps and with halogen lamps Suitable for mixed operation up to the specified output Dimming principle: Trailing edge phase cut-off Turn on and light up, no need to wait Electronic over-temperature protection, 100 off, automatically open below 100, Type:Dimmer Changeover switching possible in combination with changeover switch. It cannot be used for inductive transformer, fan and motor speed control!!! Switch light: Press the control button Adiust the brightness: Light is switched on Turn the control button in the clockwise direction. The light gets brighter up to maxImun brightness Turn the control button in the anti-clockwise direction Light gets darker to minimun brightness Turn the MIN knob in the anti-clockwise direction to the obtain expected brightness Rated voltage/Frequency: 220-240V AC/50Hz Ambient temperature: +0...+45 Dimmable Leds: 3-100W Colour:Black Material:plastic Package Contents: 1 x Adjustable LED Dimmer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.