... 5000k4,Height:2m5,Width:1.5m6,Power:31w7,Number of LED:500PCS8,Number of branch:25pcs9,Input voltage:100-240vFrequently Asked Questions : ... years manufacturing experience2, take the customer as the center of the service absolutely3,3 years warranty period.You can change ... parts ,battery,lamp etc.What are your products made of?Our products are made from the material:Nickelmetal hydride,nickelcadmuum ...