Important Notice: Please connect to AC12V transformer to work with lamp,the cable is about 3.28ft.This light is 2 years warranty,any quality problem,please send email to contact us to solve. product information: Brand: RSN Features: Waterproof grades IP68 and 304 stainless steel work well within 3.28ft of water, whether it is a fountain waterfall, a pool fish pond, and boat lighting. The 12-key remote control features wall-to-wall water penetration, even underwater, 12-key color conversion. If there are any quality problems, within 30 days, there is no reason to return the refund, free maintenance within 2 years. If you have any questions, please feel free to contact us and we will reply within 24 hours. Reminder: 1.Our products will be given a waterproof joint, underwater operation, need waterproof and leakage-proof, please be sure to use waterproof joint.(18WRGB underwater light need to be used with AC12V transformer,our lights include AC12V transformer ) 2.Our product is AC12V. When using, please pay attention to the voltage to avoid damage. Name: 6*3W RGB underwater lamp Voltage: AC12V Cover material: 304 stainless steel and high-light toughened glass lenses Waterproof grade: IP68 Length of the cable:3.28 ft Packaging includes: LED underwater lamp 2pcs Transformer 1pcs Waterproof joint 2pcs Instructions: 1pcs Remote control: 2pcs