Can the Ambco 650 Audiometer be used without an AC power source

Versatile: Suitable for a wide range of pediatric examinations and minor procedures

3/4") - for complete diagnostic capability on most patients

To use the dispenser

Welch Allyn 18320 Diagnostic Set OBGYN Can the Ambco 650 AudiometerWelch Allyn 18320 Optical Diagnostic Set New,Open box This Welch Allyn 18320 STRK RET CX Ophthalmic Set provides superior protection and illumination with its hard case and 11710 3. 5V Standard Ophthalmoscope Head with a Halogen light for true to life colors. This set is also equipped with 6 apertures for general and specialized exam purposes in addition to the 18245 3. 5V Streak Retinoscope and 71000 A Rechargeable 3. 5V Direct Plug In Style Handle.