Features: This control panel allows easy management of pool and spa functions with a single touch. Advanced controls technology optimizes power usage, reducing energy waste while maintaining performances. Manage pool heating, filtration, lighting, and more with support for up to 8 connecting devices. Real time data display shows water temperature, chlorine levels, for enhanced safety and convenience. Buttons simplify navigation, with keys for adjustments and LED indicators. The design ensures stable connection and easy maintenance. Built for humid environments with plastic materials. Features a sleek, customizable layout for seamless wall or surfaces mounting, blending with any decor. Perfect for home pools, spas, hotels, and gyms. For various systems(models: R0551800, R0550700, JNDR0551800.), ensuring stable control in various settings. Specifications: Substance: Plastic Total Size: Approx. 4.50x4.50inch/11.4x11.4cm Screen Size: Approx. 2.0x2.80inch/5x7.1cm Package Includes: 1 Set Pool and Spa Control Panel note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.