1, Three big lights, made of the high-precision electronic components; 2, Anti-UV rays shading monitor; 3, Anti-UV optical lens detector; 4, Anti-Radiation monitor; 5, Using the UV testing light on this detector, you will be to tell if the lens can block out UV rays . It is to explain to customers by showing the . There are two black buttons on the upper right corner, with a normal lens, you will see Anti-UV display light to turn to red when you place the lens on the Anti-UV testing positon.If the light turns to green, which neans the lens is the Anti-radiation lens. You will be to show your customers the test and might help you to sell your product effectively. Plug Type:EU Plug,it applies to Indonesia, , , , and so on Electric Voltage:220V/50Hz Power:20W Colour:white Material:plastic Package Contents: 1 x Optical Lens Anti-radiation Ultraviolet Ray UV Tester Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.