1、MULTI FUNCTIONAL INTEGRATED DESIGN: This wall detector integrates cable, metal, wood and stud measurement functions, so that there is no need to purchase various detectors separately 2、HIGH ACCURACY MEASUREMENT: The stud finder uses high accuracy sensors and algorithms for accurate detection, whether is detecting metal and wood in walls or wire and stud positions 3、EASY TO USE: The stud sensor has a user friendly operating design that allow quick measurement with a single click, and a clear LCD screen that make every measurement at a glance 4、SAFE AND ACCURATE: The detector is able to accurately find cables and metal in the wall, avoiding electric shock or damage to the wall when drilling or installing items 5、LIGHTWEIGHT AND PORTABLE: The stud finder wall scanner is compact and lightweight, making it suitable for use in a variety of wall construction environments to increase work efficiency Item Type: Wall Detector Metal Wood Cable Finder Battery: 1 x 6F22 Battery(not included) Measurement Range: Approx. 0 ~ 100mm / 0 ~ 3.94in Measurement Accuracy: ±1mm Use: Quickly locate wood, metal, and AC wires concealed in house walls, floors, and ceilings. Can work on lathes, wallpapers, wooden floors, soundproof ceilings, painted walls, etc. Avoid dangers when installing TVs, cabinets, garage racks, etc. Weight: Approx. 202.00g / 7.13oz 1 x Detector 1 x User Manual 1 x Storage Bag