Metal Detector - Operating Frequency 93 Khz, 42cm X 8.3cm X 4.13cm Dimensions | Automatic Tuning, Led Alert Lights, 60 Hours Battery Runtime

Technical Specifications of metal detector :

1. Operating Temperatures: -35F (-37C) to 158F (70C);
2. Humidity: To 95% non-condensing;
3. Operating Frequency: 93 kHz;
4. Audio Frequency: 2kHz Warble;
5. Tuning: Automatic;

6. Indicators:
(1). Speaker;
(2). LED Alert Lights
(3). Green: Power ON
(4). Amber: Battery LOW
(5). Red: ALARM condition.

7. Controls:
(1). Power switch (ON / OFF)
(2). Interference Elimination Momentary Switch.

8. Battery:
Single 9 volt battery provides up to 60 hours of normal operation. Optional NIMH rechargeable battery provides up to 20 hours on each 12-hour recharge.

9. Ultimate sensitivity:
1). Large knife: 6" distance;
2). Razor blades and box cutters: 3" distance;
3). Foil-wrapped drugs and tiny jewelry: 1" distance.
10. Dimensions: 42cm (L)*8.3cm (W)*4.13cm (T)
11. G.W. /N.W.: 570g/ 450g.