eatures:  Made of high-quality aluminum alloy + ABS, strong and durable, anti-collision.  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 40M.  Built-in 200mAh rechargeable lithium battery, there is no need to replace the battery frequently, and it can be used for one week at full time.  One-button ranging, simple operation and accurate distance measurement.  Small and portable, waterproof and shockproof for life.  Distance measurement, area measurement, volume measurement, edge measurement; multi-directional measurement without dead ends, taking into account your emergency needs.    parameter:  Product Name: 40M 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: 240g  Battery: 200mAh  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: 40m laser rangefinder + 5m tape measure + volume + area    packing list:  Laser tape *1  USB data cable*1  Chinese and English manual *1  Lanyard*1