Waterlily Turbine designs and sells portable hydroelectric turbines for outdoor enthusiasts.
Features:
they have two different affiliate programs for USA and Canada users. So depending on your target audience, you can apply for there are different programs based on your own needs;
they will provide you with real time tracking of your data so you can optimize your marketing campaigns as soon as you need to;
if you perform better than other affiliates, they provide you with custom commissions. You can also collaborate with them as an influencer if your audience is larger.