Waterproof Pinpointer Underwater Metal Detector Gold Pinpoint MD-720 Audio Alert & Vibration & LED Light Hobby Metal Detectors This MD-3030 metal detector can

This MD-3030 metal detector can hunt for coins

Operating Temperature: -15~45℃ / 5~113℉

Long working time

to help you easily find treasures or missing metal objects whether indoors

Waterproof Pinpointer Underwater Metal Detector Gold Pinpoint MD-720 Audio Alert & Vibration & LED Light Hobby Metal Detectors This MD-3030 metal detector canMD 720 Pinpointer Battery: 1*9V (Not included) Operating frequency: 10 12KHz Operating temperatures: 35F ( 37C) to 158F (70C) Operation way: Pinpoint tip detection, 360 side scan detection area Proportional audio vibration pulse rate Features: 100% waterproof, Level IP68, can be used underwater 3m Sensitivity: > 5cm (for a US quarter) Long working time, 1*9V can work more than 20hs. Low battery display Alarm will be increased based on targets'