Explanation:
1. Do not squeeze or collide the product;
2. Please ensure that the glass surface at the sensor position is clean;
3. Do not disassemble, disassemble or transform by yourself;
4. Do not put the product near the fire or into the fire or water;
5. Do not use the product under severe high temperature, humidity or corrosive environment to avoid damage to the circuit caused by leakage;
6. Do not place the magnetic card (ID card， bank card， etc.) with magnetic stripe or chip too close to avoid the failure of the magnetic card;
7. Please keep a distance of at least 20cm between the implanted medical device (pacemaker， cochlear implant， etc.) and the product to avoid potential interference to the medical device;
8. Do not allow children to touch or play with the product to avoid unnecessary accidents;
9. If not used for a long time, please take the spare parts of the car charger out of the cigarette lighter or power outlet of the car.