brand new and high quality Features: Well,this light is a kind of ultraviolet light,which will have great effect on sterilization. Easy to install and use,switch is incliuded to turn on or off. Made of high intensity materials,it is durable and press resistance. Excellent for fish for tank,and better to regularly sterilize. Ultraviolet light will damage people's eyes and skin,therefore you can not look directly upon the light,please protect your eyes and skin when using it.This type of light is only used on filter for tank,do not light plants or creature directly! Specification: Material: Glass,Plastic Type: Ultraviolet Light/Sterilization Plug Type: EU;US Voltage: 220V;110V(please confirm the parameters whether fits you before order) Power: 5W,7W,9W;13W Color: As pictures shown Size: 5W: 18.5cm(7.28in) 7W: 18.5cm(7.28in) 9W: 22cm(8.66in) 13W: 24cm(9.45in) Diameter: 1.9cm(0.75in) Quantity: 1 Pc(other accessories demo in the picture are not included!) Note:1.Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Light