Calculates distance in Metric and Imperial Fitted with a TPE overmould for a secure grip and slip protection. It can also be used for Area, Volume and Pythagoras calculations. DEWALT DWHT77100-XJ LASER LINE DISTANCE MEASURER 30M The DEWALT DWHT77100 Laser Distance Measure calculates distance in metric and imperial measurements. With one-button operation for both hold measurements and continuous measuring It can also be used for Area, Volume and Pythagoras calculations. It has a compact, lightweight design for easy storage/transportation. Fitted with a TPE overmould for a secure grip and slip protection. There is also a lanyard loop hole for attachment to lanyards/hand-loops to prevent accidental drop. Calculates distance in Metric and Imperial Lanyard loop hole for attachment to lanyards / hand-loops to prevent accidental drop +/- 3mm accuracy per 10m Tech Specifications: Power Source: 2x AAA (Included) Working Range: 30m Levelling Accuracy: /-3mm @ 10m