Features: 1.Made of high-quality aluminum alloy + ABS, strong and durable, anti-collision. 2.Both tape measure and laser can be used. The maximum distance measurement value of the tape measure is 5 M (16.5 ft), and the maximum laser distance measurement value is 50M. 3.Built-in rechargeable lithium battery, there is no need to replace the battery frequently, and it can be used for one week at full time. 4.One-button ranging, simple operation and accurate distance measurement. 5.Small and portable, waterproof and shockproof for life. 6.Distance measurement, area measurement, volume measurement, edge measurement; multi-directional measurement without dead ends, taking into account your emergency needs.Specification: Product Name: 50M Laser Rangefinder 5M Tape Measure Metric System Material: Aluminum alloy + ABS Color: blue+silver, black+red, black+gold, black+silver Product size: 7.3*7.3*4CM Product weight: 320g Battery: 200mAh Laser radiation: cla 1 M Maximum measuring distance: 40M Distance measurement accuracy: 2mm Tape measure: 5M (metric and imperial) Automatic segmentation laser: 15 seconds Automatic shutdown: 45 seconds Power supply: USB charging Function: 50m laser rangefinder + 5m tape measure + volume + areaPackage Included: Laser tape *1 USB data cable*1 Chinese and English manual *1 Lanyard*1Note:Dear,he laser is safe, but the laser needs to avoid direct exposure to the eyes during the use of the laser.