Md-200 hand-held metal detector Features: 1) operating frequency: 20khz 2) weight: 272g (including the battery) 3) size: A) length: 420mm B) width: 138mm C) height: 110mm 4) handle measurement: 30 x 30mm 5) regulate the way: manual 6) indicator: bz, vibration motor 7) led light proves: led red warning indicator lamp, led green insufficient indicator lamp, voltage indicator lamp led battery of power 8) battery: 9v battery (suitable for working for 40 hours normally) 9) control: circulation switch (on, off, a sound of light or mode of vibration) 10) uses cycle-switch to switch sound alarm and hidden vibration alarm respectively. 11) highly sensitive, detect ferrous and non-ferrous and stainless steel weapons 12) sound and light alarm simultaneously 13) alkaline cell (7v-9v) can work over 40 hours and distance does not change 14) warn automatically when short of voltage 15) simple, convenient to use, easy to adjust 16) detecting distances: A) 1/2 pin: 10mm B) model 64 pistol: 150mm C) 6" dagger: 150mm D) 8mm (diameter): 40mm E) aluminum & copper sheet: 10mm F) dip14 ic (integrate circuit): 5mm G) silver ring (1g): 40mm H) lead brick (1g): 30mm íí
