Smart Adjustments: Quick size adjustment for different phones; adjustable pressure holding time for customized tests. Fast & Safe Testing: 10-second rapid air tightness check with safe negative pressure mode, reducing risks. Designed for precise air tightness testing of mobile phones, the AT01 uses negative pressure technology to detect leaks, ensuring waterproof integrity and identifying vulnerabilities. Wide Compatibility: Supports 95% of mainstream mobile phone models for versatile use. Fault Detection: Automatically identifies leaks and faults, with visual indicators (red/yellow/green lights) for results., Manufacturer: Jnchdghwa