Features: 1Three Units: The handheld rangefinder supports switching between millimetres inches and feet at any time. 2Multi Function: Distance meter can measure distance area volume and the Pythagorean theorem to meet daily needs. 3Voice Data: Rangefinder with automatic voice announcement easy to record the whole operation measurement data reported in real time. 4Backlit Display: Hand distance meter has a backlit display to give you better visibility in dark areas and make it easier to read your data. 5Easy To Use: High accuracy rangefinder with 1.5mm one button to find the level easy distance measurement and data display of the level angle. Specification: Item Type: Distance MeterMaterial: Aluminum AlloyModel : CP 50X Maximum Measurement: Approx. 50m/164.0ftAccuracy: 1.5mm (0.06 Inch)Units: mm Inches FeetLaser Type: Class 2 635nm<ImWContinuous Measurement: YesArea Measurement: YesVolume Measurement: YesMeasurement Display: BacklitBattery: Lithium Ion 200mAh (Shipped with Internal Battery)Battery Life: 4000 Single MeasurementsWeight: Approx. 80g/2.8oz Package List: 1 xDistance Meter1 x Manual1 x Connection Cable1 x Rope Strap