Features: Experience precise noncontact liquid levels detection with our DC5V capacitive sensors module, utilizing capacitance changes to avoid direct liquid contact and prevent contamination or corrosions, while offering NPN signals output for seamless integration. Key features include automatic sensitivity adjustment for optimized threshold settings in diverse environment, rapid response time for real time monitoring, compact design for easy installation. This sensors is ideal for hobbyists, electronics engineers, and smart home developers who require reliability, automated solution for liquid levels control in projects or systems. Perfect for scenario like monitoring water tanks in industrial automation, controlling liquid levels in homes appliances, or integrating into real time sensing applications where capacitive detection ensures accuracy and efficiency. Built with durability PCB, PVC, and metal, this DC5V sensors module provides a user friendly solution for versatile liquid detection needs. Specifications: Component: PCB, PVC, metal Size:Approx.18.2x15.2mm/0.72x0.6inch Cable Length:Approx.300mm/11.81inch Working voltages: DC5V Output mode: NPN signals output Induction thickness (sensitivity) ranges: ≤5mm Liquid levels accuracy: ±3mm Response time: 500ms Option Type:1pc,3pcs; Package Includes: Package A 1pc Liquid levels sensors Module Package B 3pc Liquid levels sensors Module note: Please allow 1-3cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.