2.5v Halogen Light Dermascope Hand Evaluation Sets Operating temperature: 10 40ºC(50 104ºF) Wall Transformers Operating temperature: 10 40ºC(50 104ºF) Cushion includes cover pump repair kit and operating instructions * Cushion is 8 cells wide x 10 cells deep * 3 year limited warranty from foreign components * Batteries NOT included * 5v halogen illumination and 10x optic system insure true tissue color for accurate identification * Removable contact plate is auto clavable * Large knurled focusing ring * Comfortable soft synthetic rubber eyepiece * Reticle contact plate etched onto the lens in mm permits easy measurement of suspicious lesions * Instrument head with Bayonet locking mount for secure connection to the battery handle * C cell powered battery handle with rheostatic on off switch * Satin chrome plated handle with knurled finish for a positive grip * Complete with nylon zippered pouch that holds the instrument and spare contact plate * Inspected and packaged in the U