MD4030 Underground Metal Detector, Measuring Range: 1-30cm

Features:
1. Two operating modes: all-metal mode, recognition mode
2. Volume adjustment: adjust the volume of speakers and headphones
3. Headphone interface: you can connect the headset to use (not provided)
4. Pointer display: The pointer will swing with the discovery of metal
5. Waterproof detection disk: metal detector can be used in shallow water
6. Adjustable lever: adjust the length of the metal detector

Application:
1. Search for metal objects buried underground. You can find coins, ruins, jewelry, gold and silver ornaments everywhere. Widely used in security inspection, outdoor treasure hunt, metal inspection, etc.

Specifications:
1. Power supply: 2 x 9V (6F22) (without battery)
2. Frequency: 5.0KHz
3. Current: 10mA static, up to 70mA
4. Voltage: 7.2-9.6V
5. Sensitivity: US 25 Cent: 130mm
6. Display mode: mechanical pointer mode, sound mode
7. Telescopic length: 30.7-42.5 inches
8. Probe diameter: 7.87 inches