Gooseneck Exam Lamp Caster Base 3 Prong Plug Positioners Seats Standers 4 Channel Combination * Easy to add modularity Waterproof backing prevents strikethrough 4 Channel Combination * Easy to add modularity allows the addition of two additional channels of electrotherapy light therapy or a battery module * High contrast 5 (13 cm) FSTN LCD monochromatic user interface * Two independent electrotherapy channels expandable to four independent channels * Multiple waveform electrotherapy six clinical waveforms: Interferential Premodulated High Volt Russian Symmetrical Biphasic and Microcurrent * Documentation of treatment data with Patient Data Cards * User defined protocols for your specific needs * Dual frequency ultrasound at 1 or 3 100% satisfaction is our goal 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 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