The 1-8301-1-D9901 is a bin level monitor, model KA, with a 115V AC power supply, 2 circuits, and without a paddle. With its advanced features and reliable performance, this bin level monitor provides accurate level detection and prevents material overflow. It is designed for easy installation and is suitable for various applications. With its durable construction and long-lasting performance, this bin level monitor is a reliable choice for accurate level monitoring in bins and silos.