When install your LED light in hard ambient condition, like outdoor, by pool side, the LED strips light can be made into waterproof directly. And to avoid too far away from the LED lights to the 12 V power supply, which too long distance there is voltage drop cause lights dim, we suggest to put the power supply close to the LED lights. In this case, those waterproof IP67 LED power supplies will solve your concerns. This fully potted IP67 waterproof power supply can also put underwater less than 2 meters deep. Very reliable products.