DeWALT Guaranteed Tough Line Laser Detector, Impact Resistant, For Use With: DW088K, DW089K, DW0811, DW0822, DW0851 Self-Levelling Spot Beam and Horizontal Line, Specifications: 165 ft Working Range, (2) AA Batteries, +/-1/32 in Tolerance, Plastic, 4.75 in L x 2.6 in W x 1.4 in H Dimensions

The DW0892G Green Laser Line Detector works up to 165 feet away. The dewalt laser level green line tool includes a back-lit LCD display and an audible signal with adjustable volume control.