[FEATURES] 1. High sensitivity. 2. Easy and simple to operate. 3. Detection distance keeps steady when 9V battery is used up to 7V. 4. Save power. Alkaline battery can work over 45 hours. 5. Sound alarms when turn on or turn off device.
[PURPOSE] Fit for various places. [SPECIFICATIONS] Model MD-1005 Power 9V(6F22) Work Frequency 22kHz Work Electricity < 50mA Work Voltage 7V-9V Sensibility 30mm at hat pin; 50mm at US 25 cent Weight 540G Packing 20 pieces per carton
The specification is under standard test condition. The sensitivity depends on the working condition. We have no responsibility that metal chips come out after detecting under non-standard condition.