With a mini-type hand held design, this High-sensitivity Handheld Metal Detector is mainly for security check in important places like customs, airport and court. And it is a simple, convenient to use and easy to adjust one.
The simple operation and smart design make it easy to save and has low failure rate. Its sensitivity can be adjusted according to the requirements of the scene, and it can detect even smaller goods like a pin. You can choose the alarm mode from two type, they are sound and light, vibration, when the LED is red it indicates warning, while LED is red it indicates insufficient voltage or battery of power. The 9V battery can be used as its power supply, and a circulation switch (on, off, a sound of light or mode of vibration) is used to switch sound alarm and hidden vibration alarm respectively.
It is highly sensitive to detect ferrous and non-ferrous and stainless steel weapons with sound and light alarm simultaneously. The 7V-9V alkaline cell could work over 40 hours without changing the distance if short of voltage. It has a working frequency of 20KHz and a measurement of 300mm. Including the battery its weight is only 272g, which is easy to carry.
If you are looking for such a device, come here and join us. We will offer you the best quality detectors with the best price. And free shipping is our promise.