Air Conditioner Fluorine and Leak Detector Multi-Purpose: Widely used in industrial production, refrigeration equipment installation and maintenance, environmental testing, scientific research, and other fields. Triple Alarm: Buzzer, backlight, and on-screen display. When a gas leak is detected, the instrument sounds an alarm, the backlight turns red, and the on-screen bar gradually increases in intensity, with the value increasing. Universal Flexible Hose: Flexible hose retracts and contracts to easily adapt to various testing environments. Temperature Conversion: Switch between Celsius and Fahrenheit as needed. High- Sensor: Anti-interference, highly sensitive, and fast response. Color: As shown Material: ABS Package Contents: 1*Detector 1*Storage Bag 1*Charging Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.