FISHER FX-3 Ferromagnetic Locator

FISHER FX-3 Ferromagnetic Locator Specification Weight : 2 1/ 2 pounds2 Length : 42 1/ 4 inches2 Waterproof Length : 36 inches2 Types of Operation : Differential induction Magnetometer, VCO output, Motion Search Mode3 Metals Detected : Ferromagnetic only ( Iron and steel) Audio : Output Target Response : Increasing Frequency and Volume Speaker : 1 1/ 4 Inch Diameter Headphone Jack : Stereo/ Mono, 1/ 4 inch, 8-16 Ohms Single Control : On/ Off Sensitivity Carbon-Zinc Battery : 40° F to 122° F ( 4° C to 50° C) Alkaline Battery : 0° F to 122° F ( -18° C to 50° C) Battery ( 1) : 9-volt Transistor, NEDA 1604 Battery Life : Carbon Zinc .................20 to 30 hours2 Alkaline .........................30 to 40 hours2