Caution: color: we send according to the color of the first picture, in the package: if the quantity is not stated in the description, we will shlp the item according to the quantity and model in the title. Industrial microscope 144 led adjustable brightness source dimmer ring light microscope illuminator lamp eu the product is shlpped based on the color or size of the main image of the product page. Colour:eu features: 1. Comfortable light source: using led chips, high transmittance and high-definition mask, high brightness, longer life, low energy consumption. 2. Safe drive: constant current voltage regulation, constant current drive, stable current, more durable. 3. High precision: it has precision machining, moderate weight, corrosion resistance and high mechanical strength. 4. Material: led adjustable ring light is mainly made of plastic, environmentally friendly and durable, and can be used for a long time. 5. Bright lighting: led adjustable ring light has 144 lamp beads, supports 35000 lux, high light transmittance, high color rendering. Description: the microscope led adjustable ring light has high light transmittance, high color rendering, no video flicker, energy saving and environmental protection. Specifications: shade: fully transparent material: plastic working distance: 50~250mm number of lamp beads: 144 dimming range: 0~100% input voltage: av 100~240v/ 50hz, 60hz ac output voltage and power: 12v dc<4w distance: 60mm lumens: 35000lux package included: 1 * 144 led ring lights without battery