Features / specifications AR841 Temperature range of 0.5 ~ 20m 20inch ~ 65feet Temperature accuracy ± 1% Metric conversion √ Work environment 0 ~ 40 ℃ 30 ~ 70% RH √ laser positioning display options Low-power display √ √ area and volume calculation Length of cumulative √ Auto / manual shutdown √ LCD backlight display √ Response time 2s Benchmarks set √ Single and Double test selector switch - Frequency of 40kHz Key sound tips / tips, and confirmed that sound wrong sound tips √ Power 9V Battery (6F22) LCD size 56 * 28.3mm Color yellow + black Product Net Weight 205g Product Size 150 * 75 * 46mm |