Black+Decker Bull's Eye Series BDL190S Auto Leveling Laser with Stud Sensor 100 ft 1-1/8 in Accuracy 2-Beam

Great for hanging frames and much more, the Bulls Eye® auto-leveling laser is 2 tools in one. A level projects a horizontal laser level line for precise measurements and a stud sensor detects wood, metal studs and live A/C wires behind walls.