Features:100% brand new and high qualityHIGH PRECISIONmeasurement accuracy: +/- 2mm. Simple operation, pre "MEAS" to turn on, pre again to start measurement. Long pre "MEAS" for about two seconds to perform continuous measurement, and the accurate distance can be read within the effective range while moving. Cla II production<1mW power output.3-in-1 MEASUREThis tape measure includes three mode- 131ft/40m measure , 16ft/5m tape measure, and 32ft/10m 90° Cro Line measure. Long pre the "Unit" button of this measuring tape to switch units freely between M / In / Ft.TAPE AUTOMATICALLY LOCKEDTape will automatically locked the position after pulled out, just pre the grey button to auto rebound. The net weight of the tape measure: 262g, very light and convenient, only equivalent to the weight of a mobile phone, and you can easily carry it anywhere with a wrist strap and belt clip.LED BACKLIGHT SCREEN & DATA STORAGEBigger LED-backlight screen helps you read ranging numbers clearly even in direct sunlight or dark environment; Store up to 20 measurements, tape measure auto-off to save energy.MULTI-FUNCTION MODE Digital tape measure for area measurement, volume measurement, Pythagorean measurement, double Pythagorean measurement and Cro Line to satisfy your all needs.(Kind note: Package not included 2* AAA batteries)100% Satisfaction Guarantee,If there is any problem with the use of the product, please contact me and solve the problem.For you to Resend or