White Adjustable 56 LED Ring Light Stereo Microscopes Cameras 5X/US/PLUG

2. The brightness can be adjusted from 0 to 100%<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> Plug Type: US Plug, it applies to Canada, India, Mexico, Thailand, the United States, the Philippines and so on.<br> Number of LEDs: 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 method: 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> 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> Package includes:<br> 5 x ring light<br> The package includes only the items listed above; other items are not included.<br> Note: Lighting and display differences may cause the item's colour to vary slightly from the picture. Please allow a measurement tolerance of +/- 1-3cm.