1. TUFFPLUS will offer clients comprehensive installation instructions to ensure the correct usages. A troubleshooting table is provided to tell users the solutions for the problems may arise during using. An instruction video is also available.

2. Most of our products have a shelf life of 14 months, others 2-3 years. We promise to make compensations for those defective ones (except artificial damages) within shelf life without the need of returning them back.

3. A detailed product specification regarding the parameters, the applicable conditions, the installation steps, the solutions for common problems, among others is offered for each of our lighting products.