Key specifications/special features
MD300 metal detector is a min-type hand held metal ;detector,mainly for security check-in important places like, customs, airport ant court
It will give an alarm sound and vibration with low voltage power alarm
1. The cycling switch to switch sound alarm and hidden vibration alarm function
2. High sensitivity, can detect ferrous and non-ferrous metals, simple to use, convenient, easy to adjust
3. When metal is detected with the sound (or vibration) and light alarm function
4. The alkaline battery alarm proportion of 10 to 15% of work, can work for 40 hours or more
5. 9V battery to about 7V same detection range, when the battery voltage is low, the alarm will automatically continuous