Feature 1ACCURATE SMART SENSOR: This stud detector is equipped with an upgraded sensor chip to accurately and quickly locate studs, metal, pipes and live AC wires concealed behind walls, floors and ceilings 2DURABLE AND STABLE: The back of the stud detector has a hook and loop design that protect the product from wear and tear and makes the movement more stable 3WIDE APPLICATION: Whether professionals, housewives or DIY enthusiasts, will love this practical and convenient helper 4FLEXIBLE TO SWITCH: Depending on your needs, you can switch the electronic stud detector to the appropriate mode to help you accurately find the center and edge of wood, joists or beams, live AC wires, and deeper metal in the wall 5AUTOMATIC CALIBRATION AND WIRE WARNING INDICATORS: The stud finder is automatically calibrated before use to provide the user with maximum reliability and accuracy, greatly reducing errors in applicationsItem Type: Stud Finder Wall ScannerModel: TCY2Material: ABSPower Supply: 1 x Lithium ion Battery 300mAh, Model: NoneCharging Voltage: DC 5V 500mAMaximum Detection Depth of Wall: Ferrous Metal: Approx. 120mm / 4.72inNon Ferrous Metal(copper): Approx. 100mm / 3.94inAC Detection: Approx. 50mm / 1.97inCopper Wire: Approx. 40mm / 1.57inWood: NoneInfrared Range: Approx. 40meter / 131.2ftVoice Announcement: YesData Storage: 30 GroupsOperating Temperature: 0-40Ambient Temperature: -10 ~ +40Storage Temperature: -20 ~ +60 .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Wall Detector1 x Hand Rope1 x Charging Cable1 x Storage Bag1 x User Manual