1、3 in 1 Infrared Rolls: Our 3 in 1 infrared tape measures include a rangefinder, a 5 meter tape measure, and a marking tool. High ceilings and other hard to reach areas can be easily measured at the touch of a button. 2、With Self Locking Device: The tape measure line has a self locking device that automatically locks the position after pulling the tape. Press the release button to retract automatically. 3、Accurate Masurement: 3 in 1 infrared tape can be used to installation and construction equipment, accuracy testing, bearing testing, automated inspection, etc. 4、With Data Storage: Built in storage function. Up to 20 groups of data can be stored. It can be called at any time for viewing and storage. You no longer need to worry about not being able to find recorded measurement data or losing data. 5、Easy to Use: The product can be used to measure area, volume and hook in a single, continuous manner. At the same time, it has high elasticity and toughness, ABS and TPR housing, anti slip and anti drop. Item Type: 3 In 1 Digital Tape Measure Weight: 335g/11.8oz Material: ABS and TPR Battery Model: 2 x 1.5V AAA battery Color: blue 1 x Distance Measurement Tape 1 x Screwdriver 1 x Instruction Manual