Ideal ceiling height would be 8'''', 8''''6 and 9''''.  Pole length distance from the ceiling to the end of the articulating arm joint is 23in

Features:

• High intensity of 45,000 lux (4200 fc) at 36" and approximately 80,000 lux (7400 fc) at 24".
• Natural air circulation design assures cooler housing and light beam without fans and unsafe openings.
• Drift-free arm system developed by Derungs offers exceptional reach.
• 4300K white (not yellow" or artificially "blue") 6" light beam is produced by custom filters and allows accurate vision of tissue color during surgeries.
• Built-in on-off controls on the arm maximize operational convenience, preventing the need for wall panels or hard-to-reach switches.
• "Stay focused" feature - no need to focus with depth of field (94")
• Range of movement allows for installation in areas where space is at a premium including Cath Labs, surgical suites and medical offices.
• New economical 50-Watt IRC (Infrared Coated) halogen-xenon bulb offers more intensity and provides up to 3000 hours of bulb life.
• Smooth surfaces, including the autoclavable handle, assure easy cleaning.
• Hospital-grade plug included.
• Long 5-year warranty.
• 120V is standard.