Check the listing for details. Medical Surgical Surgery Use Portable 10w Ent Endoscope Led Cold Light Source. Condition: New. Listed at 60.00 USD. HCM MEDICA Portable Endoscope Led Cold Light Source 10W - HCM9703 HCM MEDICAR is a leading manufacturer for medical endoscope camera image system. We especially focus on light and image. This portable endoscope light source is very small, easy to carry, mainly used for both ENT diagnosis and operation applications. It could be connected to rigid endoscope and flexible endoscope. Doctors could use it for both diagnosis and operation. It will show you very clear image on the monitor if you use this product for throat operation. 2 models: HCM9703: Works with 18650 Li battery, 3.7V, 2200mAh. HCM9704: Works with DC adapter, mobile power banker, camera usb and computer usb, input voltage should be no more than 5v. Parameters: 1. Power: 10w 2. Intensity: 245,000 Lux (tested with SHENDA4*175 0 degrees sinuscope) 3. Color temperature: 5000K - 6500K 4. Bulb life: 20000 hours (one year use guarantee for whole unity) 5. Working time: HCM9703 - 3 hours (18650 lithium battery, 3.7V, 2200mAh) HCM9704 - no time limit. WE ARE MAINLY ENGAGED IN THE WHOLESALE DUE TO WE ARE FACTORY. OUR QUANTITY PRICE IS VERY COMPETITIVE, PLEASE CONTACT US FOR DETAIL, THANKS!