This detector is a good helper when you decorate your home. It can avoid unnecessary losses when you want to dig a hole to hang a picture or install shelves and so on by locating hidden metal pipes, live wire, stud and wooden frames accurately. Features: Rapid detecting the central position of the wood stem. LCD display, more intuitive and convenient, you just need to read at a glance. Detects metal up to 60mm depth. Detects live wire up to 51mm depth. Detects wood stud up to 38mm. All detection functions have automatic correction function and AC warning function. Specification: Battery: 6F22 9V battery (not included) Color: Yellow, Black (optional) Material: Plastic Working Temperature: 0 - 40 Package Size: 16 * 10 * 5cm / 6.30 * 3.94 * 1.97in Package Weight: 185g/6.5oz Package List: 1 * Detector