Product Features: 2-in-1 multifunctional laser breaks tradition to meet all your needs. This laser distance measurer features two modes - 131.2FT laser measurement and a 16.5FT tape measure. Laser measurement accuracy: +/-2mm, you can verify 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 quickly get a digital readout of the laser distance measurement. It can freely switch 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 measure range: 5m. Tape size: Width: 19mm, Thickness: 0.12mm, Length: 5m. Tape accuracy: 1.5mm. Laser measurement range: 40m. Laser precision: 2mm. Unit switcher: In/Ft/M. Reference: Before and after. Material: ABS/Aluminum alloy. Laser type: Class II, Laser wavelength 650nm, <1mW. Battery life: Approximately 5 hours. Automatic laser shutdown: 15s. Automatic shutdown: 45s. Operating temperature: 0~40C / 32~104F. Storage temperature: -20~60C / -4~140F. Test time: 0.3-4S. Display backlight: white LCD screen. Power supply: lithium polymer battery. Product size: 73*73*40mm. Weight: 250g. Package size: 10*10*6cm. Package weight: 325g. Packing list: 1 x laser distance measurer, 1 x instruction manual, 1 x data cable, 1 x fixing rope.