Specification: Model specification: YX-425B Sensing principle: human body infrared Load Range: 50W Product size: 86*86*40mm Installation hole distance: 60mm Working voltage: AC85-265V Sensing angle: 120 degrees Sensing distance: 2-6m Delay time: 262/32/16 seconds optional Light control sensitivity: darker/brighter/all-day optional Features: Human body sensor lamp holder, flame retardant materials, infrared induction, multi-speed adjustable, energy saving, and power saving. Brightness delay, multi-file adjustable, adjustable delay time, and sensitivity. Can be connected to a variety of lights, energy-saving lamps, incandescent lamps, LED lamps, etc. installation steps: 1. pry open the bottom plate 2. Fixed installation base plate 3. Connect the firewire zero wire 4. Install the lamp holder cover plate Package includes: 1PCS * Automatic light holder 1*gift Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.