1. Precise inspection: Quickly and accurately locates the metal . 2. High-definition LCD screen: Allows for clear reading of the results on the high-definition LCD display. 3. No need to worry about drilling into live wires: The detector can quickly detect live AC wires and indicate their positions in all appropriate locations, thus avoiding potential serious accidents. 4. Power-saving mode: Automatically shuts down if there is no operation within 3 minutes. 5. Application: Quickly locates wood, metal, and AC wires hidden in the walls, floors, and ceilings of houses. It can work on laths, wallpaper, wooden floors, soundproof ceilings, painted walls, etc. It helps you avoid dangers when installing a TV, cabinet, garage rack, etc. Color: red Material: ABS Package Contents: 1 x Wall Detector(1x9v battery 6F22 not included,You need to prepare yourself) 1 x English instruction manual 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.