The Natus Photic Stimulator includes photic light on arm and power supply. Note: Cart sold separate. Compatible with the Cadwell Instrument Cart (#MFI-CDW-197224-200). Warranty: 90 Days - Parts and Labor. The Natus Photic Stimulator is compatible with Xltek Trex, Trex HD, Connex, EMU40, EMU40EX, U32, Brain Monitor, and EMU128. Specifications Natus Photic Stimulator Specifications Support Arm: 52" (1320.8 mm) total. Frequency of Flash: Maximum of 60 Hz. Duration of Flash: 1 ms. Light Intensity: Adjustable via intensity control (12-position control: 11 settings; 1 Off). Intensity measured at 30 cm distance, position 12: Minimum: 22,000 lux. Maximum: 75,000 lux. Typically, an intensity of 39,000 lix is observed in measurements on Natus Photic Stimulator. Input Requirements: TTL Positive Pulse; 100 µs at 1 mA. Mains Input: 100 - 240 VAC 50/60 Hz, 1 A (1A - 0.5A). Protection Against Electric Shock: Class 1. Flammability: UL 94V-0. Operating Temperature Range: 10 degrees C to 40 degrees C. Transport and Storage Temperature Range: -25 degrees C to 60 degrees C. Operating Humidity Range: 30 to 75% RH. Transport and Storage Humidity Range: 10 to 90% RH non-condensing. Recovery Time After Condensation to Operations Specifications: 24 Hours. Literature Natus Photic Stimulator Literature Natus Photic Stimulator User and Service Manual