ATTENTION: PLS MAKE SURE YOU ARE USING 3A USB ADAPTER. ****(Different plant difference need, pls kindly observe your plant condition closely after using grow light and do necessary adjustment on brightness, distance and duration.)**** Usage： Red(620-630nm): Blooming & fruiting Blue( 460-470nm): Triggers growth & boosts photosynthesis for healthy leaves SPECIFICATIONS： Product Type: 2/3/4 Head Grow Light Material: LED, Aluminum &PVC LED Quantity: 40 pcs (26 Red & 14 Blue), 60 pcs (39 Red & 21 Blue), 80 pcs (52 Red & 28 Blue) Plus: USB (*USB Adapter sell separately) Input Voltage: 5V Input Current: 3A Wavelength: Red:620-625nm/Blue:460-465nm Life Time: 50000 Hours Lighting Range 2-3 Square meters Suitable Distance From Lamp to Plant: 30-120 CM •[Efficient Red/ Blue LED Combination]: 2/3/4 head grow light available to fulfill the needs of your plants. From 20- 80 LEDs grow light could provide a larger lighting range, allowing more plants to absorb more sunlight for them to grow healthier. •[Auto On/Off and Timing Setting]: You can set timer from 3/9/12 hours according to the needs of the plants. The grow light will automatically turn off and turn on at the same time the next day without manual operation. Giving you a full convenient experience. •[9 Level Brightness& 3 Spectrum Modes]: 3 switch modes and 9 dimmable options ranging from 20%to 100%, able to provide sufficient light to the plants at all stages. Blue light encourages chlorophyll absorption, photosynthesis, and growth; Red Light promotes flowering and budding or Full Spectrum for both functions. •[Flexible LED Goosenecks] 360-degree flexible gooseneck with clip that can easily adjust the angle and distance, which enlarge the illumination area and provided more efficient lighting for more plants. Suitable for both home & office. Great option for indoor garden enthusiasts for high quality and good harvest. •[Multiple Uses] It is suitable for indoor plant seedlings, potted plants, leaf cuttings, greenhouse vegetables etc. grown in a hydroponic greenhouse at your home or you place in your office. It helps to speed up the growth of potted plants, flowering plants, foliage, and succulent plants. Package Include: 1 X Grow Light 1 X User Manual * USB adapter NOT include NOTES: Keep The device away from fire, water and avert the product immersed in water in order to avoid explosion leakage.