Features: Accurate 5-in-1 Detection: Our electronic stud detector uses advanced sensors to detect wood and metal studs as well as joists beams and other metal objects hidden behind walls. Percentage LCD Display: Our stud sensor features a large easy-to-read lcd screen that displays the percentage of wood or metal detected in real-time. Metal Studs Detection: Unlike other wall scanners that only detect wood studs our 5-in-1 wall metal detection tool can also find metal studs making it ideal for construction professionals and diy enthusiasts alike. LCD Display Beam Finders: Our wall detector is equipped with an lcd display that shows the location and direction of metal objects as well as the depth of the material. Easy To Use: Our stud finder is designed with a simple one-button operation that makes it easy to use for anyone regardless of their experience level. Specifications: Materials: ABS Color:Yellow Silver Black Size: 176*72mm Operating Power Supply: 9 (V) Note: Due to the screen lighting effect the actual color of the product may be slightly different. Due to manual measurement please allow size error. includes: 1*Stud Finder Wall Scanner 1*User Manual