Deluxe Exam Lamp W Swivel Head Chrome Base Hip Knee Post Surgical Prdct 50 60 Hz Output Frequency: 27 E1 3 50 60 Hz Output Frequency: 27 Comes with power cord Chrome Plated Base * Deluxe 3 Prong Plug *All Standard (Gooseneck) chrome exam lamp with a reinforced head and 7 foot cord * Deluxe (Swivel Head Goosneck) models feature a swivel mounted vented shade and a dimpled surface inner reflector that increases the intensity and uniformity of the light while preventing heat build up * Heavy base 6 Lbs 10 5 8 Diameter chrome plated * Height adjustment 34 1 2 to 53 1 2 * 12 flexible arm permits positioning in any direction * Uses 60 Watt bulb (not included) * UL and CUL listed *