BOLCATOR Laser Lifting Bolt Aligner for Indoor Laser Distance Fully Eliminating the Hassle of Lifting Patented Use, Meter, Threaded, Worksites,

Features: Laser alignment device that lights up one LED when the target distance is within 10cm of the main body Measurement unit and accuracy: 5mm unit / ±5mm (display is in 5mm units, but laser accuracy is ±3mm) Measurement range: 0.1m to 15m (laser light: red) *For indoor use *Note: In cold environments such as winter, the voltage of alkaline batteries drops, so the device may recognize the batteries as dead and display an error message. *Please note: In places with strong sunlight, the reflection of the laser light may be weaker and an error message may appear. Overall length and reference position: Overall length 100mm / Numerical reference position: Center (50mm) Power supply: 2 AAA alkaline batteries (sold separately) * Manganese batteries and rechargeable batteries will immediately display a low battery indication and cannot be used. Manufacture: Made in China [Note] 1. In cold environments such as winter, the voltage of alkaline batteries drops, and the low battery message (error 10) may be displayed. Please check again as the device will function normally once the batteries return to room temperature. 2. In places with strong sunlight, the laser light is less likely to reflect, and an error message may be displayed.