[BOLCATOR] Bolt Aligner Laser for Indoor Use, Laser Distance Meter, Fully Threaded, Eliminating the Hassle of Lifting Worksites. Currently Under

Features: A laser aligner that lights up one LED when the target distance is within 10cm of the main unit. Measurement units and accuracy: 5mm increments / ±5mm (displayed in 5mm increments, but laser accuracy is ±3mm). Measurement range: 0.1m to 15m (laser light: red). *For indoor use. *Please note: In cold environments such as winter, the voltage of the alkaline battery drops, so it may be recognized as dead and an error message may be displayed. *Please note: In places with strong sunlight, the reflection of the laser light is weak and an error message may be displayed. Total length and reference position: Total length 100mm / Numerical reference position: Center (50mm). Power supply: Two AAA alkaline batteries (sold separately). *Manganese batteries or rechargeable batteries will immediately display a dead message and cannot be used. Manufactured in China