1. Adjustable Length for Versatile Use: This innovative telescopic water level can be easily adjusted to any desired width, making it ideal for various air conditioning installations. The built-in locking mechanism ensures a secure and accurate measurement, significantly enhancing installation efficiency for both professionals and DIY enthusiasts. 2. Clear Display for Accurate Readings: The horizontal bubble indicator on the first level is designed for easy readability in all lighting conditions. You can precisely mark drilling positions on the mounting board, reducing installation errors and simplifying the process. 3. High-Precision Positioning: The adjustable level features two slots reinforced with locking mechanisms, ensuring stable installation and precise positioning. This allows for effective air conditioner installation without the need for repeated calibration. 4. Functionality and Compatibility: With its innovative telescopic design, this water level adjusts to any width you require, making it suitable for various sizes of mounting brackets. The locking device enables comfortable and accurate measurements, greatly improving installation efficiency. Use Scenarios: - Install air conditioning units at home, ensuring perfect leveling for optimal performance. - Align shelves or artwork in residential or commercial spaces with precision to enhance aesthetics. - Facilitate the installation of lighting fixtures, ensuring they are level for proper illumination.