Features: Green Lasers Rangefinders (night) adopts green technology, which can achieve measurement in dark environment. The measuring Ranges reaches 50m; Green light, suitable for night use; Easy to carry and operate; Multifunctional display screen, supporting unit switching and data saving. Suitable for construction workers, decoration workers and other professional who need to measure, but also suitable for outdoor enthusiasts, explorers and so on. It can be used in indoor survey, construction site survey, geographical survey, outdoor exploration and other scene, especially at night or in dark environment. Specifications: Component:ABS Measuring Ranges:50M Unit selection:m/in/feet Lasers grade:Class Ⅱ Data storagel:30 groups Battery:2xAAA (Not Include) Temperature:0-40℃ Storage temperature:-25-70℃ Size:Approx.11cm/4.33inch Package Includes: 1Pc Lasers Measuring Tool note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.