1. Effortless Calibration-Free Operation: Utilizing advanced pre-calibration technology, this device is ready to use straight out of the box, eliminating the need for manual adjustments and ensuring swift, accurate setup, thereby streamlining workflow and boosting efficiency. 2. Precision Horizontal & Vertical Alignment: Incorporating a sophisticated laser emission system, it delivers precise horizontal and vertical lines for exact leveling and alignment in construction, carpentry, renovation, and installation tasks, with minimal error margins. 3. Robust Build Quality: Encased in sturdy aluminum or reinforced plastic, it boasts excellent shock and drop resistance, maintaining stability and performance in harsh working conditions, prolonging its lifespan. 4. Versatile Applications: Suited for a wide range of applications, including construction projects, home renovations, pipe installations, photography surveys, machinery installations, and more, it's an ideal tool for professionals and DIY enthusiasts alike. 5. Portable & Flexible Mounting: Compact and lightweight, it comes with versatile mounting options like tripod compatibility, allowing for easy setup on various surfaces and enhancing usability flexibility.   Package Included: 1*（A Red Beam Laser Calibrator） 1*（14250 battery） 1*（A USB charger） Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!