1. using the cycle switch switch separately audible alarm and vibration alarm feature concealed
2. high sensitivity, can detect ferrous metal and non-ferrous metals. Using a simple, convenient and easy to adjust.
3.when the detection of metals with the sound (or vibration) and optical alarm functions simultaneously
4. alkaline batteries to 10% -15% proportion of the work of the police may be more than 40 hours of continuous work.
5.9V battery to 7V release around the same detection range. The battery voltage is low, will be automatically continuous alarm.
1. detection sensitivity: Diameter 2.5mm Ball
2.alarm mode: sound and light alarm simultaneously
3. power supply: 9 volt battery (6F22ND)
4. Power consumption: 220mW
5. the working current: less than 50mA
6. the working temperature: 0 -50
7. Net Weight: 350g
8. packing size: 460 * 31.5 * 58mm (20 support / box)