USA 
F11 All-Purpose Metal Detector
Product Description
- Excellent for coin shooting and jewelry or relic hunting
- Features 3-modes of operation: Jewelry Coin and Artifact
- 9-Segment visual target-ID
- 4-Tone audio ID
- Pinpoint function
- 6-Level adjustable sensitivity and volume
- Operates on a one 9V battery (included)
- Ultra lightweight - weighs only 2.3lbs
- 7 Concentric elliptical waterproof searchcoil
- 7.69kHz operating frequency