Due to State and Federal Law, we sell Syringes and Needles only to the Medical Facilities. Rechargeable * Universal handle - accepts all Welch Allyn 3.5v instruments heads * Adjustable rheostat control * Safety switch to prevent accidental draining of battery * Metal head connectors for durability * Direct plug-in style * 100-130v, 50/60 Hz * Model WA71000C uses 3.5v Rechargeable battery or 2 "C" batteries *