High sensitivity portable metal detector

Have an excellent finish: Super scanner beautiful appearance, streamlined design, light weight, compact size, high sensitivity, bringing a lot of convenience for you to use Detection distance: The detection distance range is 3-20m / 9.8 to 65.6 feet, the sensitivity of this metal detector will change depending on the size, volume, density and environment of the detected object, etc. The metal scanner detector has two types of optional alarm mode: audio mode (buzzer and red light) and vibration mode (vibration and red light) Reduced power consumption: the metal detector only needs a 9V 6F22 battery. And it also has an alarm indication, a yellow led (having detected an object), a flashing green led (the machine starts to work), a flashing red led (lower power) Hardware: Security scanner made of high quality, sturdy and used plastic shell. Suitable for long term use Specification: Condition: 100% new brand Material: plastic Color: Shown as picture Alarm indication: continuous yellow light (object detected), blinking green light (machine starts to run), blinking red light (lower power) Mode d 'alarm: audio mode (ringing and red indication light), vibration mode (vibration and red indication light) Detection distance range: 3-20 m / 9.8-65.6 ft Battery: 1 9 V 6F22 battery (not included) Temperature: -15-45 degrees centigrade Frequency: 25 Hz Reset: 0.5 seconds, automatic Product length: approx. 37.5cm / 14.8inch Package Weight: Approx. 247g Package included: 1 x metal detector (battery not included) 1 x user manual Note: this does not include other things, the color is based on the first picture, and other pictures only show the effect Due to the differences between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement. Please allow deviation. Thank you!