Gooseneck Exam Lamp Caster Base 3 Prong Plug Traction Units 4 mm LCD Wheels: (2) Style:Right Ear 4 mm LCD Wheels: (2) Wheels for ease of movement Power Source: 100 240V adapter (ADPT30) included 6 AA batteries (not included) Seat Size: 18 ¨ (w) x 15 (d) x 17 ´ (h) 464mm (w) x 381mm (d) x 445mm (h) Foam base may be wiped with damp cloth * Neoprene rubber cushion insert can be patched or repaired to extend use * Customized Jay foam base and ROHO air insert are fluid resistant * Cushion size: 16 W x 16 D * Fits chair size: 16 W x 16 * Wide ranges of sizes also available to fit chair widths 14 to 24 upon request * Weight capacity: 550 lbs * HCPCS Suggested Code: E2622 10 5 8 Diameter chrome * Height adjustment 34 to 72 * 12 flexible arm permits positioning in any direction * Uses 60 Watt bulb (not included) * UL and CUL listed *Shipping Carton Size: 33 L x 8 W x 4 H CASTER BASE * Standard 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