Features: Multifunction: Mufti-functions and can quickly and easily locates metal pipe rebar and live AC-wire behind walls, floors, and ceilings. High Sensitivity: Features high sensitivity which can detect even small metal objects. ensitivity: Features high sensitivity which can detect even small metal objects. Adjustables Sensitivity: With different sensitivity settings allows you to maximize its scanning ability. Two Kinds of Alerts: The metal detector wand has sound, light detection alerts. Comfortable to Grip: The lightweight design and ergonomic handle grip make it easy to use for long periods of time. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Power supply: 6F22 9V battery (self-provided) Size: 148x78x24mm Weight: about 117g (without battery)