Package Included: 1*LED Plant Grow Lamp(1/2/3 Head) 1*Lamp Controller 1*Instructions Feature: 300/600/900W High Power & High efficiency - bright and has high conversion efficiency, space saving & elegant design,Excellent heat dissipation effect , you can always keep the temperature at the appropriate level, effective for plant growth and for protection. It is IP65 waterproof and you can water it by careless. You only need to set the timer just once, it will Turn On/Off, Automatically everyday at the same time.24 Hour cycle timing with 4H/8H/12H timer, automatically turn on/off everyday at the same time. 5 dimmable modes & 3 switch modes - it has five dimmable modes to suit varied stages of plant growth. Product Specifications: * Power: 300/600/900W * Material: PC + aluminum * Lamp bead ratio：red+blue * Modes：3 Lighting Modes * Dimming mode：5 Dimming Level * Timing function：4H/8H/12H * Lifespan: 10000hours