new and high quality Type: Metal detector Name: Handheld deep metal detector Size: 410*85*45mm Battery: 9V battery (not included) Color: As picture show Material : ABS Usage method: 1. Press power (8) and hear a "click" or shaking, indicating that power is connected and the green light is on. If there is no sound or vibration, it means that the battery is not installed or the battery has a bad connection. If the alarm continues, it means that the battery cannot be used again, and the battery should be replaced. 2. High sensitivity detection can be performed after start and sound stop. Hold the handle to scan the detection area around the tested object. When there are metal objects, an alarm sounds. At the same time, the green light will change to red light; Stop scanning, the alarm will stop and the red light will change to green. 3. Low sensitivity test: If it is necessary to remove small objects in metal objects, press and hold the low sensitivity switch (3). When scanning around the tested object, an alarm will be given when metal objects are present. At the same time, the green light will change to red light; Stop scanning, the alarm will stop and the red light will change to green. As the sensitivity decreases by more than 5 times, the metal objects detected are generally large. Packing List: 1* Handheld Deep Metal Detector Note: 1. Due to the light and monitor effect, colors may have slight difference. 2. Please allow some size error due to manual measurement. Thanks for your understanding! 3.1cm = 0.39''.