Advanced linear digital plan measure with PC interface makes it easy to create linear area and volume takeoffs with speed accuracy and confidence when estimating bidding or planning. Ergonomic design is comfortable to hold and the dual LCD displays are easy to read. Provides transfer capabilities from plans blueprints maps and out of scale drawings. Features 91 built-in scales including 50 English units 41 metric and 8 custom for out-of-scale drawings for maximum versatility. Also available as a kit with PC interface to transfer rolled values directly into commonly used spreadsheets or estimating programs. 7.2" x 1.6" x 0.6" overall size. Two 3-volt lithium (CR-2430) batteries included.