Mobile phone air tightness detector, suitable for iPhone X to 14Pro Max series mobile phones to test waterproof and airtightness, etc High precision/Easy to operate/Ergonomic design/Wide range of applications/Light and portable Fast and accurate detection, by detecting the air jitter SIM card slot, the result is produced in 2S, and the performance is stable Align the bracket with a small hole in the lower left during the test, and clamp it tightly to ensure accuracy and durability One-piece meter, operation is more convenient, and it is more worry-free to observe the pressure change. You can know the air tightness by pressing the cylinder Clamping precision, 90~120cm adjustable clamping, durable, simpler and more precise, compact and portable.