Do you need a weatherproof power supply option for your 12-volt LED lights? We have the perfect solution to your problem! This power supply is IP 67 rated and can be safely installed outside for your landscaping or exterior decorating project. We have created an easy to follow instructional guide on how to wire the bare wire plug that comes with this power supply. The max run length (16.4 ft lengths wired in parallel) for 3528 lights is 88-feet and the max run length for the 5050 lights is 42-feet. Power your project safely and effectively.