The Fisher F4 is a multi-purpose high-performance computerized metal detector. It has the high sensitivity and control plus other features found on more expensive units. The F4 offers both a preset and a variable ground balance adjustment. The F4 comes standard with an 11-inch elliptical Bi-Axial search coil for maximum detection depth in mineralized soils.
- 11" Search Coil
- 11-Segment digital target identification
- 4-tone audio feedback
- 2-digit numeric target value
- One-touch notch immediately eliminates unwanted targets
- Fisher's deep-seeking autotune mode
- One-touch pinpoint
- Coin depth indicator
- 1/4” plug can be used with most headphones
- Requires two 9 volt alkaline batteries