This 165 ft. laser measure is a fully featured tool with an easy-to-read color display, great accuracy and reinforced housing for durability. The Bosch BLAZE GLM165-22 has accuracy up to plus/minus 1/16 in., plus it includes a rounding button that rounds the measurement to the fraction that best suits the application and haptic feedback for loud jobsites. The digital laser measure also offers full rubber overmold housing, designed to be similar to a roll cage. It is IP65 rated and has an ergonomic design for better grip. It has default real-time measurement mode, which immediately provides accurate measuring that automatically adjusts closer to or farther from the target. It includes 11 different measuring functions, including real-time length, area, volume and indirect functions and addition/subtraction capability. The Bosch GLM-BAT 3.7-Volt Lithium-ion Battery delivers greater runtime than standard AA batteries for some Bosch BLAZE Laser Measures, allowing adaptability and ease of use. It provides about 60% more runtime than AA batteries at normal room temperature and the GLM-BAT is not as affected by cold temperatures as alkaline batteries. The battery features convenient USB charging. It can charge using various 5-Volt power supplies, such as power adapters, PCs, laptops or portable power banks, for maximum flexibility. and it charges fast, takes only 15-minutes to charge, for 30-minutes of laser operation.