Opeating Lamp,Prism Surgery Shadlowless lamp, Shadeless operating lamp , Operation Lamp , Surgical Light , Operation Light , Operating Lamp, Prism Surgery Shadlowless lamp,Shadlowless lampSurgery Shadlowless lamp, Shadeless operating lamp , Operation Lamp , Surgical Light , Operation ... 50HZ ±1HZInput power220WBulb of power W150 WLowest height of installation2900mm Operating Lamp