Description <br> 1. The life of LED lamp is up to 20,000 hours, and the durability is far more than 40 times compared with fluorescent lamp <br> 2. The brightness can be adjusted from 0 to 100% <br> 3. Even if the brightness is adjusted, the color temperature remains the same <br> 4. There is no flash of fluorescent light, which has a good protective effect on human eyes under microscope observation <br> 5. The brightness is above 35,000lux (the working distance of the ring light is 75mm) <br> <br> Plug Type :EU Plug,it applies to Indonesia, Germany, France, , Italy and so on. <br> Number of : 56 <br> Input voltage: AV100~240V (Allowed AC90~264V) <br> Input voltage frequency: 50/60HZ <br> Power consumption: 4.5W <br> Output voltage: DC24V <br> Lighting : constant voltage and constant current <br> Brightness adjustment range: 0~100% <br> Ambient temperature and humidity: 0~40 Celsius/20~80%RH <br> Colour:white <br> Material:plastic <br> Size:inner diameter: 63MM <br> <br> Package Contents: <br> 1 x ring light <br> <br> Only the above package content, other products are not included. <br> Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. <br>