Dewalt Laser Distance Measurer 16M Pocket Laser Distance Measurer DW055PL-XJAbout this Item:Measuring Range: 16m. One-button operation with an accuracy of within +/- 6mm over 10 metresBlack screen with white digits/letters, for better visibility in brighter conditionsOver mold comfort grip for slip resistance and drop protectionPowered by a 3.7V lithium-ion battery - provides up to 1000 measurements per chargeAuto Power Saving: 90 sec. USB (provided) charging - 2.5 hours to fully charge from empty