1. Introduction
Thank you for purchasing the ThiEYE Airkit 2 Cordless Portable Air Compressor. This device is designed for convenient and efficient inflation of various items, including vehicle tires, bicycle tires, balls, and inflatable toys. Please read this manual thoroughly before use to ensure proper operation and to maximize the product's lifespan. Keep this manual for future reference.
2. Safety Instructions
- Do not leave the air compressor unattended during operation.
- Keep out of reach of children.
- Avoid prolonged exposure to direct sunlight or high temperatures.
- Do not operate in wet conditions or immerse in water.
- Ensure the correct pressure setting for the item being inflated to prevent over-inflation and potential damage or injury.
- The inflation hose may become hot during extended use. Use caution when handling.
- Use only the provided charging cable and accessories.
3. Package Contents
Verify that all items listed below are included in your package:
- ThiEYE Airkit 2 Air Compressor
- Inflation Hose with Silicone Sleeve
- Presta Valve Adapter
- Ball Needle
- Swimming Ring Nozzle
- USB Type-C Charging Cable
- Storage Bag
- User Manual

Image: ThiEYE Airkit 2 Air Compressor with all included accessories: inflation hose, various nozzles, USB Type-C charging cable, storage bag, and user manual.
4. Product Overview
The ThiEYE Airkit 2 features a compact design, a digital display for real-time pressure monitoring, and multiple inflation modes. It is equipped with a 4000mAh battery and can inflate up to 120 PSI.

Image: The ThiEYE Airkit 2 Air Compressor highlighting its key features: 4000mAh battery, 120 PSI maximum pressure, over-temperature protection, multiple accessories, and inflation capabilities for various items.
4.1. Portability
The compact size of the Airkit 2 allows for easy storage and transport, fitting into bags, car compartments, or even pockets.

Image: Demonstrates the compact size and portability of the ThiEYE Airkit 2, showing it being held and stored in various locations like a bag, car compartment, and pocket.
4.2. LCD Display Screen
The integrated LCD screen displays real-time tire pressure and allows for precise pressure setting. It supports four unit options: PSI, BAR, KPA, and Kg/cm².

Image: The ThiEYE Airkit 2's LCD display screen, showing real-time pressure monitoring and the four available unit options for pressure measurement.
4.3. 3-Mode LED Light
The device includes a built-in LED light with three modes: Bright Light, Flash Light, and SOS, useful for nighttime inflation or emergency situations.

Image: The ThiEYE Airkit 2 featuring its 3-mode LED light, illustrating the Bright Light, Flash Light, and SOS functions.
5. Specifications
| Brand | ThiEYE |
| Model | AIRKIT 2 |
| Voltage | 7.4 Volts |
| Power Source | Battery Powered |
| Maximum Pressure | 120 PSI |
| Noise Level | 65 Decibels |
| Item Weight | 1.16 Pounds (approx. 0.53 kg) |
| Capacity | 120 Gallons (referring to air volume, not liquid) |
| Charging Port | Type-C |
6. Setup
6.1. Charging the Device
- Connect the provided USB Type-C charging cable to the charging port on the air compressor.
- Connect the other end of the cable to a suitable USB power adapter (not included) or a USB port.
- The battery indicator on the display will show charging status. Charge fully before first use.
6.2. Attaching the Inflation Hose
- Screw the inflation hose securely into the air outlet port on the top of the compressor.
- Attach the appropriate nozzle (Presta valve adapter, ball needle, or swimming ring nozzle) to the other end of the inflation hose if needed.
- The silicone sleeve on the hose connector helps protect fingers from heat during operation.

Image: Illustrates the benefit of the silicone rubber sleeve on the inflation hose, which protects users from potential heat during operation compared to a connector without insulation.
7. Operating Instructions

Image: A visual guide detailing the four main steps for operating the ThiEYE Airkit 2: connecting to the tire, powering on, setting the desired pressure, and initiating/stopping inflation.
7.1. Power On/Off
- To power on: Press and hold the power button (U) for 3 seconds.
- To power off: Press and hold the power button (U) for 3 seconds. The device will also automatically power off after a period of inactivity.
7.2. Mode Selection
- After powering on, press the mode button (gear icon) to cycle through the preset inflation modes: Car, Motorcycle, Bicycle, and Ball.
- Each mode has a default pressure value, which can be adjusted.
7.3. Pressure Setting
- Once a mode is selected, use the "+" and "-" buttons to adjust the target pressure.
- Press the unit button (star icon) to switch between pressure units (PSI, BAR, KPA, Kg/cm²).
7.4. Inflation Process
- Connect the inflation hose to the valve of the item you wish to inflate. Ensure a secure connection to prevent air leakage.
- Power on the device and select the appropriate mode and desired pressure.
- Press the power button (U) to start inflation. The device will display the real-time pressure.
- The compressor will automatically stop once the preset pressure is reached.
- To manually stop inflation, press the power button (U) again.
- Carefully disconnect the hose from the valve. Be aware that the hose may be hot.
7.5. LED Light Operation
- Press the light button (sun icon) once to turn on the Bright Light.
- Press again to switch to Flash Light mode.
- Press a third time to activate SOS mode.
- Press a fourth time to turn off the LED light.
7.6. Applications
The ThiEYE Airkit 2 is suitable for a wide range of inflation needs:

Image: Examples of the ThiEYE Airkit 2's versatility, demonstrating its use for inflating bicycle tires, car tires, swimming rings, and balls.
8. Maintenance
- Clean the device with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Store the air compressor and its accessories in the provided storage bag in a cool, dry place when not in use.
- Regularly check the inflation hose and nozzles for any signs of wear or damage. Replace if necessary.
- Charge the device at least once every three months to maintain battery health, even if not in regular use.
9. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | Low battery. | Charge the device fully. |
| Device stops inflating prematurely. | Target pressure reached. | This is normal operation. Check the displayed pressure. |
| Overheating protection activated. | Allow the device to cool down for 10-15 minutes before resuming use. | |
| Air leaks during inflation. | Hose not securely connected. | Ensure the inflation hose is tightly screwed into the compressor and the nozzle is firmly attached to the valve. |
| Damaged hose or nozzle. | Inspect for damage and replace if necessary. | |
| Inaccurate pressure reading. | Loose connection. | Ensure a tight connection to the valve. |
| Device needs calibration. | Contact customer support for assistance. |
10. Warranty Information
ThiEYE products are covered by a limited warranty from the date of purchase. This warranty covers manufacturing defects in materials and workmanship. It does not cover damage caused by misuse, accident, unauthorized modification, or normal wear and tear. Please retain your proof of purchase for warranty claims.
For specific warranty terms and conditions, please refer to the warranty card included in your package or visit the official ThiEYE website.
11. Customer Support
If you encounter any issues or have questions regarding your ThiEYE Airkit 2, please contact our customer support team. Provide your product model and purchase details for faster service.
Email: support@thieye.com
Website: www.thieye.com





