Amazon deal of the day Bosch GLM 40 Laser Measure, 135 Feet
$55! Was $99.99
Multiple measurement features include area, distance, length, volume, continuous measurement, addition and subtraction
Stores up to 10 measurements
Backlight screen for better visibility in dark areas
Extreme accuracy, measures to within +/-1/16″
Class IIa laser product, <1mW power output