1. Detecting metals (rebars, copper pipes) hidden in walls, ceilings and floors, live wires, rib and slot position under wooden walls, etc. 2. Three Detection Mode: Metal detection mode, AC detection mode, Wooden wall detection mode. 3. Depth measurement: Wood(38mm)/ Live (AC) wire(50mm)/ Non-magnetic metal(100mm)/ Magnetic metal(120mm) 4. The sensitivity of three detection modes can be adjusted. 5. It is widely used in interior decoration, home installation and other industries, allowing various construction safely proceed. Safety Warning: 1. Because the human body has conductivity, the use process is slightly away from the inductive area. 2. Do not use this instrument near medical equipment. Product Description: Product Name: Metal Detector Type: NF-518 Size: 139 x 36 x 25mm Battery Type: 390mAh Lithium Battery Screen Type: 2.4-inch high-definition color screen Resolution: 240 x 320 Voice Broadcast: Live voice broadcast Automatic Shutdown: 5 minutes Colour:Blue & Black Material:Plastic Package Contents: 1 * Detector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.