LED Grow Light Full Spectrum Plant Light For Indoor Hydroponics Plants Lamp Height Adjustable with Auto On/Off Timer

White LED. Specification: Product Name: Angel Ring Grow Light. Shape: Angel Ring. Diameter Size: 90mm. Input Voltage: 5V. LED Type: SMD2835. Lumen Efficiency: 100lm/w. Plug Type: USB. Light color Yellow Purple. Features: 1: The plant light is designed like a halo for your plants to help them grow better and faster. 2: It emits all the wavelengths from 380nm to 800nm-just like natural sunlight. 3:5V USB input, can be used with laptop, mobile power, 5V adapter, more convenient to use. 4: This growing light has 3 cycle timing settings 2/4/8H which will stay on for 2/4/8 hours, then off for 20/16/12 hours and will automatically turn on and off at the same time the next day, no need to unplug/re-plug. 5: it has 4 brightness settings 25%-50%-75%-100, to meet each plant's lighting requirements at different stages. 6: Just stick it into potted plants, adjust height, then turn it on, quick and easy