🔹 High Visibility & Easy Reading – Designed with a bright green liquid for enhanced visibility, our RV bubble levels stay vibrant and clear over time, unlike traditional models that fade due to UV exposure. The included number scale ensures quick, accurate, and effortless level readings. 🔹 Durable & Weather-Resistant – Made with high-quality ABS plastic housing and rugged flex tubes, these levels are built to last. They withstand rain, sun, and extreme temperatures, making them reliable for long-term outdoor use on the road. 🔹 Precise Tilt Measurement – Each level features a tilt range from -7 to +7 degrees, providing accurate leveling data. Graduated markings indicate the exact number of inches needed to raise or lower your RV or trailer for perfect balance. 🔹 Quick & Flexible Installation – Equipped with a strong self-adhesive backing for fast, tool-free mounting on flat surfaces. Each pack also includes 4 optional screws for secure hole mounting if preferred. 🔹 Universal Fit for RVs & More – Perfect for RVs, campers, trailers, motorhomes, and even boats. A must-have tool for safe, stable setups on uneven ground—whether you're at a campsite or on the move. If you have any questions, you can contact us at any time and customer service team will reply you within 24 hours to help you solve the problem.