grow lights for indoor plants Auto On & Off Timer Everyday Auto On & Off Timer Everyday with Four Dimming Level Timer Indicator: Green-2 hours / Blue-4 hours / Red-8 hours Timer Setting :Setting up the hours as you like for your plants ,then it could automatically turn on and off the SAME TIME the next day . Brightness Adjustment-25%-50%-75%-100% Brightness Switch On/ OFF Adjustable Brightness Levels 25%, 50%, 75%, 100% - to meet each plant's lighting requirements at different stages.2x 7.5W & 48 LED chips, just put out enough luminosity for all stage of plant growth without worrying about burning your plant. Easy to Installation The grow light bar pack comes with screws and a double-sided tape (pls cut into 2 pieces when applied). Compact design fits for various fixtures and surfaces. The power cord is easy using in office,indoor,plant shelf,greenhouse.