1).To choose the led light which is showed“three guarantees” commitment. The system of thee guarantees for repair, replacement or compensation of faulty products. To purchased the light which is marked CCC certification.
2).The led lights with a complete product identification.
3).To check the power line which whether is marked CCC certification or not.
4). Metal parts of lamps and lanterns should not be exposed. After the light source installed into the light holder, don’t touch it and electrically charged metal lamp holder.
5).To check the led chip, if the direction is right or not. If there is a wear for the lenses or the screen.