Brand New and high quality. Split type design for high safety. Power plug with switch on/off for conveninent & safety operating. This sterilizer lamp can be matched or connectted with different pumps. Quartz tube & high-quality rubber parts & with strong sucker to firm installed. UV lamp with strong effect of sterilization,ultraviolet ray transmitting rate of more than 93%. Description: Material: Quartz Glass Water Type: Fresh Waterproof Level: IP68 Voltage: 220V 50Hz Power: 5W 7W 9W 11W Life of the lamp: 10,000hrs+ Power Adapter: US Plug (with on/off switch) Cable Length: 170cm/66.93''(appr.) 5W Length: 16cm/6.30''(appr.) 7W Length: 19cm/7.48''(appr.) 9W Length: 23cm/9.06''(appr.) 11W Length: 26cm/10.24''(appr.) Specification: 5W Applicable Aquarium Size: 80CM+ 7W Applicable Aquarium Size: 100CM+ 9W Applicable Aquarium Size: 120CM+ 11W Applicable Aquarium Size: 120CM+ Warning: Sterilization lamp can only be placed in the filter tank, can not be used directly in the fish tank, or the fish will be injured or killed because of a long time exposure to ultraviolet radiation. Note: Not apply to countries whose voltage is 110V such as United States and Canada. The item we sold it is US plug. If you wanna use it in UK / EU / AU, you need to buy a US to UK / EU / AU converter first. Package included: 1 Pcs Aquarium Submersible UV Sterilizer Lamp 1 Pcs US Plug 2 Pcs Suckers 1 Pcs User Manual Notice: Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering. Please understand that colors may exist chromatic aberration as the different placement of pictures.