- Precision and accuracy: Our updated internal sensor detects the bolt center with high precision; rivet edges are displayed on screen for easy alignment. - 4-in-1 detection: Bolt/stud scan, depth scan, metal scan up to 60 mm, and AC scan up to 51 mm. Suitable for professionals, homeowners, and DIY enthusiasts. - Cable protection indicator: Cable alarm detects live lines up to 60 mm deep, alerting you to hidden AC cables during scanning to improve safety. - Easy-to-read indicators: Large LCD and audible alarm provide clear cues; beeps indicate direction and intensity to guide you quickly to the target. - Wide application: Detects metal, wooden beams, and live cables behind walls, ceilings, and floors; works on concrete, tiles, and wood. - Practical use scenarios: Mounting a TV or shelves by locating studs; renovating and wiring by locating live cables behind walls; safe drilling in walls or ceilings by identifying beams and metal. - Specifications: Depth ranges: metal 60 mm, AC 51 mm; cable detection up to 60 mm; 4 detection modes; large LCD; audible alert; compatible with concrete, tile, and wood surfaces.