User's Guide

NOTICE
1. Some special places, such as airports, hospitals, gas stations and other places, do not allow the
use of electronic equipment. Please comply with the rules and do not use this product in these
places.
2. For your safety and the safety of others, please do not use this product while driving a vehicle.
3. In order to avoid potential safety problems, do not put this product near the vehicle's airbag.
4. For your safety, please do not use this product during thunderstorms.
5. Although this product is waterproof, do not leave this product for long periods of time in areas with
water or moisture.
6. This product has an operating temperature range of -20°C~+55°C and a storage temperature
range of -40°C~+70°C. Extreme temperatures can affect the device's performance and service life.
7. Please use an original rechargeable lithium battery. Low-quality batteries will affect the
performance and service life of the device, and may even have the danger of explosion.
8. Although the product has been tested to withstand harsh operating environments, do not use the
product in an improper manner.
9. Please do not disassemble this product. In case of failure, please send to our authorized service
centres to proceed with repairs.
10. After the device has reached the end of its service life, please discard in a proper way to avoid
environmental pollution.
11. When replacing the battery or during the use of an external power supply, shut down the device
completely before removing the battery or disconnecting the external power supply to prevent
damage.
12. This product is a Class B product, which may cause radio interference. The user may be
required to take necessary preventive measures.
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