Description This is an intelligent dimmer specially designed for LED lighting. It adopted the most advanced PWM (pulse-width-modulation) digital brightness-adjusting technology that enables you adjust the brightness with the infinite. It is suitable for installation of commercial and household 86-style socket, you can install it visibly outside the wall, it can meet different brightness requirements at different time with the dimmer, also it can extend the LED service life and save energy. Suitable to dim hi-power or low-power LED lamps. Feature - Color: White. - Material: Plastic. - Size: About 8.7 x 8.7 x 5.5cm. - Rated voltage: 85～275V. - Adjusting range: 0～100%. - Protection garde: 40. - Output signal: DC 1-10V. - Firing line current: Less than 1A. - Signal current: Less than 25mA. - Weight: 200g. - Standard 86-style socket, easy to install. - Infinite knob style dimming, easy to operate. - Real 0~100% brightness adjust. Comfort to human eye visual characteristic. Lamplight is and stable without flickers. - Can be equipped with power repeater to expand power. - Installation steps: 1. Use straight screwdriver to unclench the and panel from the square gap of product. 2. Separate the and panel. 3. Use straight screwdriver to take out the fastening screws in left bottom and upper right. 4. Use cross screwdriver to fix the fastening screws on embedded box in the bottom. 5. Install the on the panel to finish installation.Packing list: 1 x Constant Voltage LED Dimmer PWM Controller LED Switch Dimmer for LED Cabinet Light Strip Light Rigid Light Bar Panel Light