Features Scanning Measuring Function: The ranging telescope is equipped with scanning measurement function, can easily identify distant small targets, and can range any target, no need to pair targets. Speed and Distance Measuring: The rangefinder can catch the target speed in real time under speed measurement mode, and can measure the distance of fixed or slow moving objects within a certain range. High Performance: The range finder has high measurement accuracy, short ranging time, intuitive distance display, automatic power off and low power consumption. Safe and Portable: The laser emission power of the rangefinder is small, and is safe for human eyes. Compact in size, light and portable, noise . Wide Usage: Widely used in electric equipment installation, wire, wire tower, expressway, public works, forestry survey, building construction, network planning, communication maintenance and other measurements. Spec: Item Type: Laser Rangefinder Material: Aluminum Alloy Model: SW 1000D Battery: Lithium Battery 3.7V 750mah (Built in) Purpose: Distance Detection Basic Parameter: Measuring Range: Approx. 3-1000m/9.8-3280.8ft, ±(1.0m+Dx0.2%) How to Use: Turn on to use. PackageList: 1 x Laser Rangefinder 1 x Storage Bag 1 x USB Cable 1 x Lanyard 1 x Cleaning Cloth 1 x Manual Package List 1 x Laser Rangefinder 1 x Storage Bag 1 x USB Cable 1 x Lanyard 1 x Cleaning Cloth 1 x Manual