Features: 13 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. 2With 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. 3Accurate Masurement: 3 in 1 infrared tape can be used to installation and construction equipment accuracy testing bearing testing automated inspection etc. 4With 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. 5Easy 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. Specification: Item Type:3In1DigitalTapeMeasureWeight: 335g/11.8ozMaterial: ABS and TPRBattery Model: 2 x 1.5V AAA batteryColor: blue Package List: 1 xDistance Measurement Tape1 x Screwdriver1 x Instruction Manual