Ⅰ. It can be used as a tool for cameras to focus, while hunting for viewing in dark places or areas. Ⅱ. 144 LED ring light for stereo miniscope Ⅲ. A specially designed LED light for stereo miniscope Ⅳ. The Quantity of LED: 144 pcs (144 LED lights) Ⅴ. The brightness of 0-100% Adjustable brightness Ⅵ. Anti-static performance Ⅶ. No fluorescent lamp flicker change light color temperature slightly in different angle Ⅷ. It is composed mainly of the power line, adopted a wide voltage regulator power supply, LED plastic casting. Ⅸ. Power supply design with protection functions Ⅹ. LED light with brightness, uniform brightness. Ⅺ. Light color: 6000 K (Close to sunlight) Ⅻ. Input Voltage: AC 95 ~ 240V; 50 / 60Hz ⅩⅢ. Power: less than 4W ⅩⅣ. Maximum power: less than 3W ⅩⅤ. Brightness: 30000 ~ 40000 ⅩⅥ. Adjustable brightness control ⅩⅦ. Strong and focused illumination with shadowless ⅩⅧ. Brightness: 20000 in the height of 80 mm ⅩⅨ. Connection size: 63.5 mm or less in diameter ⅩⅩ. Workaround distance: 50 ~ 250MM ⅩⅪ. regulate illumination: 0 ~ 100% ⅩⅫ. Material: Plastic ⅩⅩⅢ. Lamp Black ⅩⅩⅣ. Ambient temperature: -40 to 45 Celsius ⅩⅩⅤ. Package Contents: ⅩⅩⅥ. 1 x 144LEDs light ⅩⅩⅦ. 1 adapter ⅩⅩⅧ. Only the above package content, other products are not included. ⅩⅩⅨ. 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.