Matters needing attention

L, the microelectronics products, follow the national standards installation, operation, use.
2, suitable for 12V car electrical system cannot be installed in 24V electric cars.
3, the part of continuous use and then provides a dedicated connection.
4, at installation time should be taken to prevent crushing, puncture, cut, extend the connector.
5, please power off the system installation, maintenance.
6, daily maintenance, maintenance carried out by the manufacturer or a professional.
7, this product is not connected with the braking device, parking assist, parking accidents occurring as a result of product manufacturer not liable for obligations.
Notice to buyer
1, do not disassemble the device without permission stickers site, otherwise no warranty.
2, if you need invoice, please indicate open tickets.
3, is experiencing technical difficulties, please try to contact us during business hours, so that we can first make a detailed reply.
4, buyers please test after receipt of goods, without any doubt, please confirm payment within three business days, or as waiver of service.
5, 7 days after the returned package, the company does not accept non-return quality reasons (according to our return policy implementation of the prototype of the prototype), but normal service.
6, if you feel our service is also good, quality is stable and reliable, please give us praise, your praise is our increasing motivation. If you can spare some time, comments we write one or two sentences, it is of great encouragement to us, we will be happy to serve you.
In order to give customers more confidence in the use of our products, we decided from now on, provide a single free testing of the prototype. Procedures are as follows: customers pay prototype, and in the note callout for ' prototype ', our prototype to the customer, offers 15-day prototype test. If the customer is not satisfied with the prototype effects (Please keep the prototype and packaging in good condition), can be returned to us, our commitment will prototype a full refund to the customer within 3 business days (round-trip shipping costs borne by the customer). (PS: If the customer test the prototype for more than 15 days, you automatically become the sales, we provide regular after-sales service products, see terms of service for details.)