1: The plant light is designed like a Strip 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 (3/9/12H) which stay on for 3/9/12 hours, 5: it has 9 brightness settings , to meet each plant's lighting requirements at different . Just into potted plants, adjust height, then turn it on, quick and easy. Material: aluminum colour: silver grey Package Contents: 1 x 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.