Features: 1. One-key ranging, simple operation and accurate ranging. 2. Small and lightweight, waterproof and shockproof for life. 3. High-quality aluminum alloy + ABS is used, which is durable and anti-collision. 4. Built-in rechargeable lithium battery, no need to replace the battery frequently, can be used all day for a week. 5. Distance measurement, area measurement, volume measurement, edge measurement; considering your urgent needs, multi-directional measurement without dead ends. 6. Both tape measure and laser can be used. The maximum distance measurement for the tape measure is 5 meters (16.5 feet) and the maximum distance measurement for the laser is 40 meters. Specification: Type: 40M laser rangefinder 5M tape measure metric Size: 7.3*7.3*4CM Battery: 200mAh Power supply: USB charging Material: aluminum alloy + ABS Automatic split laser: 15 seconds Automatic shutdown: 45 seconds Maximum measurement distance: 40M Distance measurement accuracy: 2mm Tape measure: 5M (metric and imperial) Color: Blue+Silver, Black+Red, Black+Gold, Black+Silver Function: 40m laser rangefinder + 5m tape measure + volume + area Packing list: Laser rangefinder*1 USB data cable*1 Manual*1 Lanyard*1