Characteristic:
1. High and low sensitivity adjustment; the maximum sensitivity of 0.7_pinpoint, the minimum sensitivity of 8 cm away from the body mobile phone alarm other small metal objects do not alarm;
2. Equipped with simple and convenient use, no need to adjust;
3. 9V battery is reduced to about 7V, and the detection distance remains unchanged.
4. Save electricity and can work continuously for more than 40 hours.
5. There are two ways to alarm: sound and vibration.
6. There is automatic continuous sound or vibration alarm when the battery is used up.
7. It has the function of sound or vibration prompting when starting or shutting down.
8. High and low sensitivity selection;
9. Punch point Jack has full function.
