Mobile Smart Airtightness Tester Portable Sealing Leak Detector 1. Charging input: 5V 2A 2. Air pressure sensor range: -100kpa — +100kpa 3. Test mode: negative pressure 4. Standby time: 5 minutes automatic shutdown 5. Battery capacity: 3800mAh 6. Charging port: Type-C 7. Size: about 11.15 x 7.7 x 2.55cm 8. Weight: about 250g Features: 1. One-button automatic intelligent detection, automatically stops working and prompts the results, efficient and convenient, saving time and effort 2. Color screen high-definition digital display, real-time detection of working status in Chinese and English, time, pressure and other indicators are clear at a glance 3. Non-destructive testing technology, non-destructive testing, can accurately judge the air tightness of the mobile phone, avoiding the errors and risks of manual testing 4. During the test, align the bracket with a small hole on the lower left, clamp tightly to ensure accuracy and durability 5. 5.5-9.5cm adjustable clamp, durable, simpler and more accurate, compact and portable 6. Built-in rechargeable lithium battery, longer battery life, convenient and fast