The IDEC YW1P-2EH5W is a transformer type incandescent pilot light designed for 100/110V AC systems. This compact and lightweight unit features a space-saving design with 10mm thick contact blocks and a removable operator for ease of use. The metal bezel enhances durability, while the unibody construction ensures consistency across pilot lights and key selector switches. Installation and maintenance are simplified thanks to the separate contact block, and the large lens offers an expansive viewing angle for clear visibility.