Infrared Laser Distance The range finder kit provides fast, easy and accurate measurement, and one person can finish the job in seconds. Laser range finder Suitable for interior finishes, decoration, wall coverings floor and wall materials, real estate appraisals and appraisal. Laser range finder support area, volume, Pythagorean theorem measurement, addition and subtraction, tracking measurement, maximum and minimum. / p Infrared range finder The instrument has double photosensitive apertures and its stability is greatly improved. Handheld rangefinder The use of high quality plastic material, encapsulated plastic shell in durable two-color mold, provides better feel. Specification: Item Type: Laser Rangefinder Material: Plastic Color: as shown in the picture Product size: approx. 117x52x27mm / 4.61x2.05x1.06in Product model: M100 Measuring range: 0.05 ~ 100m Measuring accuracy: 2 mm Laser class: 2M II Laser type: 620-690 nm, lt; 1 mW Zone: Yes Volume measurement: Yes Measure of the Pythagorean theorem: Yes Addition and subtraction: Yes Follow-up action: Yes Maximum and Minimum: Yes Backlight: Yes Prompt tones (can be turned off): Yes Data deletion: Yes Data storage: 20 groups Dust and splashing water: IP54 Operating temperature range: 0 ~ 40 Storage temperature range: -20 ~ 65 Battery life: 5000 times Power supply: 2xAAA LR6 1.5V (not included) Automatic laser shutdown: 30 s Auto power off: 3 min Forbid: 1. It is forbidden to open or repair the equipment. 2. Measure in the sun. 3. Others are beyond the specified range. 4. Immerse the equipment in the water. Package list: 1 x laser rangefinder (battery not included) 1 x lanyard 1 x instruction manual Note: 1. When the measuring distance is within 10m, the measuring accuracy is 2mm; when it is greater than 10m, the measurement accuracy is calculated as follows: 2mm 0.05 x (D-10) (D: measuring distance, unit m)