Metal Finder Adjustable Shaft Treasure Detector Waterproof Metal Detector Auto Alarm Treasure Searching Tool

Description
You are able to search for coins, jewelry, silverware and other metal objectives that is missing or hidden just about anywhere with this metal detector.
It features waterproof search coil, allowing you to search for metal objects under shallow water in short time.
Also designed with adjustable shaft, adjusting the detector’s length to meet different height.
The metal finder is able to be connected with a headphone with its headphone jack, convenient to hear the sound.
Its speaker and headphone can be adjusted the volume level, comfortable to use.

Specification
Color: Black.
Size: show as picture.
Power: 2*9V (6F22)(not included).
Frequency: 5.0kHz.
Current: Standby: 10mA/Max: 70mA.
Voltage: 7.2-9.6V
Sensitivity: ?>15cm (for a 25-cent coin).
Indication Mode: Mechanical Indicator Mode, Sound Mode
Stretch Length: 30.7-42.1 inches
Detector Diameter: 7.5 inches
Audio: Single tone
Operation modes: All metal.

Package included:
1 * Set Metal Detector(show as picture)
1 * User Manual.