Working range of 30MAccuracy +/-2mm@10mIP54 RatingBluetooth connectivity for use with DEWALT APPAPP ? for full variety of functions, Disatnce & Area & Volume4 panel digital readout for each measurement and totalCompact, lightweight design for easy stroageBlack display with white letters for easy readTPE overmould for secure, soft grip and slip protectionPress 1 button for both hold measurements and continuous measurementsAdditional and subtraction for calculatingRuns on 2 x AAA (Lead Acid /Alkaline)