The protection level is composed of IP and two numbers, the first marked number indicates the protection level of contact protection and foreign objects, and the second marked number indicates the waterproof level protection. The first marked digit has 0-6 seven digits, and the second marked digit has 0-8 nine digits. The larger the number, the higher the protection level represented.
The protection level of solar street lights is generally IP65 or IP66. The first number 6 is already the highest level, which means that the dust is closed, meaning that it should not enter the dust at a low pressure of 20 mbar. The second numbers 5 and 6 represent protective water jets and strong water jets respectively. The former means that the water jets aimed at the cabinet from each direction should not cause damage, and the latter means the strong water jets aimed at the cabinet from each direction None should cause damage. Solar street lights are generally used outdoors, so there must be no damage from rain or other water.
The second number 7, 8 represents protection against short-term flooding and protection against long-term flooding. Solar street lights are generally above 5, 6 meters, and will not be immersed in water, so there is no need to achieve such a high level.