Features 1. USB power supply, can be easily powered by computer, laptop, notebook, mobile power, USB hub and other 5V USB interface, safe to use. For 2 head, please select 5V 2A USB adapter 2. Mini size, easy to carry, plug and play, easy to use. 3. Helps plant growth, high color rendering, increase . Applicable places: all kinds of plant growth at all of growth For example: nurseries, seed cultivation, flowers, aquariums, breeding and greenhouses, greenhouses, horticulture and so on. Product description Product name: LED plant grow light LED Quantity: 40 LED Beam angle: 360 Service life: 50000 hours Plug USB plug Dimmable 10 modes (10% to 100%) Timing: 3/9/12 hours Switch: 3 modes (red light, blue light and mixed light) Automatic memory On/Off and cycle memory timer Adjustable 360 degree adjustment It meets the needs of plants growing in the absence of sunlight. Red light promotes photosynthesis, germination, flowering and fruiting. Color: As Shown Material: Metal Package Contents: 1pcs 2 Head Plant Grow Light Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.