1. Equipped with leather case, easy to carry, with high and low sensitivity to switch.
2. Alkaline battery works with 10%-15% alarm ratio, and can work continuously for more than 40 hours.
3. When the voltage is not enough, the indicator light is not bright, silent or long-term alarm sound
4. High sensitivity, able to detect ferrous and non-ferrous metals, easy to use, easy to adjust.
5. Use the cycle switch to switch the audible alarm and the concealed vibration alarm function respectively.
Powered by:1*Standard 9v laminated alkaline battery (not included)
Working current:<50 mA.
Working environment:-5 °C + 55 °C
the detection distance:
1. pin: 20-30mm
2. clip: 30-60mm
3. Iron nail: 20-100mm
4. mobile phone: 50-80mm