Product features: 2-in-1 multifunctional laser breaks with tradition to meet all your needs This laser measuring tape includes two modes - 131.2FT laser measuring and 16.5FT measuring tape. Laser measurement accuracy: +/-2mm, you can check the accuracy of the laser measurement with a tape measure. The LCD screen is quick and easy to read The LCD screen allows you to get a quick digital readout of the laser distance measurement. It can be switched freely between M/In/Ft and is portable and durable to use. Product parameters: Multiple measurement modes: distance / area / volume / single / continuous / Pythagorean measurement and indirect measurement Tape measurement range: 5m Ribbon size. Width : 19mm, Thickness: 0.12mm, Length: 5m Tape accuracy: 1. 5mm Laser measuring range: 40m Laser precision: 2mm Unit Switch: In/Ft/MB Reference: Before and After Material: ABS/Aluminium Alloy Laser Type: Class II, Laser wavelength 650nm, 1m Battery life: Approximately 5 hours Automatic laser shutdown: 15SA Automatic shutdown: 45SW Operating temperature: 0~40C / 32~104F Storage temperature: -20~60C / -4~140FTTesting time: 0. 3-4SDisplay illumination: white LCD screenPower supply: lithium polymer batteryProduct size: 73*73*40mm Weight: 250gPackage size: 10*10*6cmPackage weight: 325g Packing List: 1 x laser tape measure, 1 x user manual, 1 x data cable, 1 x tether cord.