Multiple measurement methods: Huepar Laser Distance Measure supports single distance measurement, continuous measurement, area measurement, volume measurement, auto height measurement, auto level measurement, and 3 Pythagorean measurements. Dual Angle Measurement enables convenient and accurate front/back and left/right angle measurement. The device measures from three reference points (front, middle, and rear), enabling flexibility across various use cases. Delete unwanted data manually. Switch between metric (m), inch (in), and foot (ft) units freely. Default unit is meter. Use addition and subtraction functions when measuring length, area, and volume. Triple Power Options: Includes rechargeable 2 AA NiMH batteries. Also compatible with 2 AA alkaline batteries (not included). Can be powered via direct Type-C charging—even with batteries removed. Laser Class: Class 2 (IEC/EN 60825-1:2014); output power <1 mW. Special Feature: Dual Angle Measurement. Laser Wavelength: 505–520 nm (green beam). Power Source: 2 AA NiMH batteries. Measuring Accuracy: ±1/16 inch (±2 mm). Measuring Units: m, in, ft. Angle Range: ±90°. Charging Port: Type-C. Working Range: 196 ft / 60 m, 328 ft / 100 m, 393 ft / 120 m. Automatic Laser Shut-off: After 30 seconds. Effective Working Distance: ≥20 m (≥40 m with detector). Auto Power-off: After 180 seconds. Maximum Data Storage: 30 measurements. Mount Thread: 1/4"-20. Designed for indoor or low-light environments. For outdoor use, avoid direct sunlight. Note: Product design and color may vary slightly due to ongoing updates. Material: ABS. Color: Black + green. Package Includes: 1 x laser distance measure. Other accessories are not included.