MD970 Waterproof High Sensitivity Metal Positioning Rod Adjustable Sensitivity Metal Detector(Black) HABOTEST and the use time is

and the use time is longer

Weight: 329

5GHz Cortex-A7

avoid to getting an electric shock

MD970 Waterproof High Sensitivity Metal Positioning Rod Adjustable Sensitivity Metal Detector(Black) HABOTEST and the use time isParameter: 1. The sensitivity distance of detecting one yuan coin is 5cm 2. Detection method: vibration, sound alarm 3. 4 alarm modes can be adjusted, press and hold the key for 3~4 seconds to enter the adjustment mode (sound + vibration low sensitivity; sound + vibration high sensitivity; vibration low sensitivity; vibration high sensitivity) 4. Power supply: 9V battery (need to buy by yourself) 5. Working environment: temperature minus 20 60 degrees