Features Ergonomic design means you can comfortably hold the wall scanner and keep it moving correctly for more accurate results. Easy to use, after installing the battery, press the switch to calibrate according to the manual. Wall detector has a large LCD display and audible warning to help detect the exact location of objects. The shell is made of high‑quality plastic, sturdy and durable, heat‑resistant, and has a long service life. Wall scanner is light in weight, durable, and convenient to use in the home, office and workshop. Package List: 1 x Wall Detector (Battery Not Included) 1 x English Manual Specification: Item Type: Wall Detector Material: Plastic Model: TH210 Wall Metal Detector Scope of Application: metal detector, voltage cable, etc. with metal detection function Working Temperature: -7°~40°C, <75% Storage Temperature: -20~50℃, <85% Applicable Battery: 1 x 6F22 9V battery (battery not included) Automatic Shutdown Time: 3 minutes Package List 1 x Wall Detector (Battery Not Included) 1 x English Manual