Features Smart Measurement: The laser rechargeable distance meter supports length measurement, and can also help you test and calculate area, volume, etc., with multiple functions, fast and convenient. Great in Accuracy: The digital laser range finder has a wide measurement range of 0.05-60m, and the accuracy is as high as ±2mm, accurate and efficient, and the instrument is small. Has Various Modes: The IP54 waterproof laser watch is equipped with multiple units, which can realize multiple functions such as data storage and self-calibration. Wider Application: Rechargeable lasers can be flexibly used in home, construction and industry, especially in large areas such as rooms, apartments, buildings, real estate, factories, warehouses, etc. Convenient Carry: The laser range finder is light in weight, compact in size, with a reinforced shell dustproof and IP54 waterproof, so it is very convenient to carry and use indoors and outdoors. Specification: Item Type: Laser Measure Model: JQ40 60M Range: Approx. 0.05 ~ 60m / 0.16 ~ 196.85ft Error: ± 0.0015m Measurement Accuracy: Approx. ± 2mm / 0.08in Battery: 3.7V lithium battery with 200mAh capacity, shipped with built in battery. Working Temperature: 0℃ - 40℃ Storage Temperature: -25℃ - 60℃ Waterproof: IP54 Waterproof Measurement Mode: Area, volume, pythagorean theorem, continuous measurement. Measurement Unit: Meters, feet, in. There is no need to change the unit each time, it will retain the final setting.  Package List:1 x Laser Measure 1 x User Manual1 x Lanyard1 x Data Cable Note:1. Suggest indoor use.2. Due to the display color setting, the actual color may differ slightly from the online image.3. Please allow for slight measurement deviation in the data. Package List 1 x Laser Measure 1 x User Manual 1 x Lanyard 1 x Data Cable