Universal handle- Accepts all Welch Allyn 3.5v instruments heads.
Well-balanced handle- Rests comfortably in the hand. Weight is evenly distributed end to end.
Adjusted rheostat control- Free-floating reserve setting allows optimal intensity and battery life.
Transformer module- Built-in step-down transformer is U.L. recognized.
Economical- Long-lasting rechargeable nickel-cadmium battery included.
Sure grip- Smooth, non-abrasive knurled finish insures a no-slip grip.
Chrome-plated brass handles provide durable, long-life construction.
Safety switch to prevent accidental draining of battery.
Metal head connectors for durability.