Product Features Advanced Instrument Console Precision Counterbalanced Refractor And Slit Lamp Arm Halogen Overhead Lamp Optional Counterbalanced Third Arm The 2000-ST brings Function Sophistication to the exam room: with clean esthetics, exceedingly simple instrument positioning and strong, advanced functionality, and durable construction. logical INSTRUMENT CONSOLE Durable membrane switches, logically positioned, control power mains, chair up/down and auto-return, overhead lamp with rheostat, and binding post (BIO) control with rheostat. Three rechargeable wells accommodate all brands of hand held instruments. intelligent SLIT LAMP ARM An engineering achievement, our fully counterbalanced arm, incorporates the full function and range, with the lock/release mechanism conveniently located at your finger tips. A 13” (33cm) range of travel and counter balance range up to 60lbs (27.2kg), this arm easily accommodates all, including wheel chair patients. The chair up/down switch is conveniently located on the front of the arm and is reversible. ergonomic UPPER (REFRACTOR) ARM Engineered with natural, and comfortable hand movements in mind, the lock/release lever engages a single lock mechanism in all three dimensions (forward/backward/vertical). A 12.5” (31.75cm) vertical range, and counter balance up to 20lbs (9.1kg) ensures precise and effortless positioning.