Welch Allyn 3.5v Lithium Ion Rechargeable Handle (USB) Features

• 3.5v Lithium Ion rechargeable handle is half the weight of traditional 3.5 V rechargeable handles
• Fits all Welch Allyn 3.5v Instrument Heads
• 120 minutes of on-time (compared to 60 minutes for standard NiCad handles)
• Ion rechargeable handle made of sturdy CYCOLOY engineering resin
• Low-battery indicator
• Lithium ion battery technology that has no “memory” effect
• Includes removable USB charging module and USB charge cord