ITEM NAME:40W LED Grow Light 120LEDs Hydroponic Lamp Plants Flowers Indoor LED Growth Description: Our 4 Head led grow light has 5 dimmable settings ranging from 20% to 100% to suit varied stages of plant growth. It has 3 spectral modes (red,blue and red blue mix) to support photosynthesis. You can just switch the lights off or on to suit the plants need. Anti-slip clamp and 360-degree Adjustable gooseneck,it allows you to place the plant light in any direction to provide the best lighting angle for your plants.st coverage around the plants . The plant light comes with three timer setting options which allows up to 3, 6, or 12 hours according to plant needs. This is a one-way timing setting, the lights can be turned on and off automatically every day. Each led bar comes with 20 red leds and 10 blue leds ensure plants take in more energy through the synthesis of chlorophyll to help in germination. The lights will produce similar lights to the sun to allow photosynthesis, red light (630-660nm) stimulates plants growth, blue light (430-460nm) promotes photosynthesis. Suitable for indoor plants Suitable for indoor planter flowers hydroponic growing. Helps speed up the growth of potted, flowering plants and leaves. Specification: Product Type: USB LED Grow Light Material: Aluminum & Plastic Power: Max 40W Input Voltage: USB-DC5V Wavelength: (Red: 630-660nm/ Blue: 430-460nm) Timer Setting: 3H/6H/12H Dimmer Setting: 20% 40% 60% 80% 100% LED Bar Size: 26.4cm/10.40inch Gooseneck Size: 39.1cm/15.39inch Clamp Base Length: 12.9cm/5.08inch Package Includes: 1 Piece LED Grown Lights with USB Cable Note: The red LED ensures that the plant absorbs more energy through chlorophyll synthesis to contributes to grow. Blue LED help sprout efficiently, bloom and enhance photosynthesis, leading to better results..Suitable for indoor planter flowers hydroponic growing. Blue LED help sprout efficiently, bloom and enhance photosynthesis, leading to better results. Power: Max 40W. The lights will produce similar lights to the sun to allow photosynthesis, red light (630-660nm) stimulates plants growth, blue light (430-460nm) promotes photosynthesis.