CHEEPUM 8 Tier Media Stud Finder Wire Metal Wood Find They Behind Wall

stud metal and live AC wire auto calibrated is a good tool when you decorate your home. It will remind you with the sound signal and lighting when it detects wall studs metal pipes and electrical wires. 3. If the unit will not be used for an extended of time take out the battery from the unit. 2. Detection depth and edge detection can vary due to content of materials wall texture paint etc. Power supply: 9V 6F22 battery (not included) The ergonomic design makes it comfortable to use. LED light: green and red tools for the home and decoration. Locates the edges of wood or metal studs up to 3/4 inch (20 mm) deep. Detection sensitivity (depth): up to 20 mm/ 0.79 in 1. The unit needed to be calibrated before detecting the object. This sensor can be used to detect wall studs metal pipes and electrical wires. Material:ABS 1 x Detectors Size: about 140x60x25 mm/ 5.51x2.36x0.98 in