Features:

1.It is used to find the wood, metal studs and joists , AC live wires when you are doing the following jobs:   a. Hang cabinets and shelves securely   b. Hang pictures and mirrors   c. Install ceiling fans and chandeliers   d. Install drapery rods and closet organizers   e. Install plant hangers, towel bars   f. Anchor machinery or furniture to walls    g. Find metal pipes behind tile and in concrete   h. Locates standard household wiring2.Ergonomically designed hand-grips provide comfort for prolonged use.3.No guesswork, LED and audio signal indicate precisely when the edge of a stud has been found4.Automatic calibration 5.Pencil line to easily mark location of stud edges6.Low battery indication