First, in principle, IP65, IP66, and IP67 LED headlights can not be immersed in water for a long time, if you need to be immersed in water for a long time, it is recommended to use IP68 LED lights.
Second, the waterproof grade of LED headlamp is generally IP65, IP66, and IP67.
1. Waterproof grade IP65 can prevent water from all directions from the nozzle shot into the appliance, but can not be immersed in water for a long time.
2. Waterproof grade IP66 means "electrical appliances installed on the deck can prevent damage caused by large waves".
3. Waterproof grade IP67 is interpreted as "electrical appliances immersed in water for a certain period of time or water pressure below a certain standard, to ensure that no damage caused by immersion in water".
So, IP65, IP66, and IP67 can not be submerged in water for a long time, it is best to use IP68 LED lights. IP68 LED headlights can be submerged indefinitely under the specified water pressure, to ensure that no damage caused by water immersion.
Regarding the above information, what we used for the 7" led headlight K1 and Q1 are used with IP67. We did a video for waterproof testing. Later we will update the testing video to youtube. 👌✌
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