Hello,bro~ Welcome to our shop! Product name: USB plant growth light Length: 0.5M 1M 2M 3M Label: Yes Color: Picture color IP rating: IP20 is not waterproof LED type: 2835 led chip full spectrum LED quantity: 60LED m Voltage: USB 5V Luminous flux: 1000 lm Weight: about 30g,40g,52g,56g Features: 1.DC 5V Can be used any devices by USB, also can be used by your phone charger adapter 5V 2.LED Chip: 2835 Chip Full Spectrum 3.Self-adhesive back with double side adhesive tape 4.Cut As needed: Cut on the Cut Marks on the strip to desired length. Package includes: 1PCS*USB plant growth light Note: 1. Due to the differences between different monitors, the pictures may not reflect the actual color of the product, there is a color difference. 2. Due to manual measurement and different measurement methods, please allow a deviation of 1-3 cm. The 3.50cm specification does not come with a case. Hope you can find satisfactory products.