ATuMan LS3 Digital Laser Rangefinder 60 Meters Distance Meter Measure Tools Warmly Notice: Due to the ransportation policy, we need to open the package to remove the battery(2*1.5V AAA alkaline battery). Hope you can understand. Features: - High precision and stability:Through a newly designed optical lens with a new generation of aspherical lenses, the accuracy is guaranteed while the stability is greatly improved. - Fast, Accurate & Stable measurement:After phase method modulation, emitting high-frequency optical signal; aspheric optical lens with strong anti interference performance, significantly reducing the impact of ambient light;imported quick calculation chip, data almost in a flash - Multiple measurement functions:New home area, door and window height, sofa size, warehouse capacity, etc., easy to help, convenient and efficient measurement. - 99 Sets of data storage:Measurement data can be saved at any time, support acce to historical data, up to 99 sets of historical data - Large 2 .0-inch HD screen:Take up 1/2 of the body clear reading LED high-definition backlit LCD screen display data, dark as clear as day - Waterproof & Drop resistance:IP54 dustproof and waterproof advanced protection, the body is made of ABS engineering-grade plastic, fall-resistant and durable Package Included: 1 * LS3 Laser Distance Meter