💡 Control Your Water, Control Your World! LED indicators keep you informed about relay status at a glance. Set your action time delay between 0.1 to 10 seconds for optimal control. Perfect for pools, wells, water towers, and reservoirs. Fine-tune your settings with a simple knob adjustment (5-100kΩ). Effortlessly monitor and control your pool or tank's water levels. Liquid Level Monitoring Adjustable Sensitivity Action Time Delay The Liquid Level Control Relay GRL8-02 is a state-of-the-art device designed for precise liquid level monitoring in various applications, including pools, wells, and tanks. With adjustable sensitivity and action time delay, this relay ensures optimal water management, while LED indicators provide real-time status updates.