TYPE A Product Name : USB LED PlantGrow Light A Color : Black Plug type : USB Port Input Voltage : DC 5V Rated Current : 2000 mA Wattage : 78led 15W /156led 30W / 234led 45W / 312led 60W Lifespan : More then 50000 hours Cable Length : About 60 cm Switch type : Automatic memory switch Material : Premium metal & Plastic , Made of durable and practical metal and plastic TYPE B Product Name : USB LED Plant Grow Light B Color : Black Plug type : USB Port Input Voltage : DC 5V Rated Current : 2000 mA Wattage : 20led 10W /40led 20W / 60led 30W / 80led 40W / 100led 50W Lifespan : More then 50000 hours Cable Length : About 150 cm Switch type : Automatic memory switch Material :Made of Aluminum & PVC, lightweight and durable with good heat dissipation. Product application Brand new and high quality. For All kinds of flower plants : Like for tomatoes, chilli , eggplant , Rose ect. All kinds of greens : For herbs and leafy vegetables, lettuce , bok choy ect. Also suitable for Indoor garden or indoor potted landscape. Using: For Greenhouse,Grow box,Grow Tent, Hydroponics Systems equipment.