a. When the battery works, you must add a suitable fuse near the battery.

b. Power line must be added a reinforced cover(similarly as our black cover used last year), to reduce the danger of car inside lines busted.

c. When the battery works, the part of preoperculum needs a fireproof cover,therefore the working engine power lines would face high temperature roasting, and it has a risk of short-circuit.

d. Do the extreme tests to the products, for example, sealed test, high temperature test, adequately consider the security issue in an extreme case.

e. After onboard product on car test finished, you shouldshut down the power line.

f. After onboard products on car installation finished, you should check whether the power lines connect correctly, adding fuse box or not to make sure the power connection is safe. And you should tell us the hidden security trouble which the installation engineer could not solve temporarily.