The Bulgin Panel Indicators, Pilot Lights LH1048BSWL37017/22 are LED panel indicators designed for use in a variety of applications. These indicators feature a yellow LED light, a 12V voltage rating, and a panel mount design. The indicators are designed to be used in a variety of applications, including industrial, commercial, and residential settings. They are suitable for use in a variety of applications, including lighting, signaling, and warning. The indicators are designed to be easy to install and maintain, and they are UL approved for safety. They are also designed to be durable and reliable, and they are RoHS compliant. The indicators are a great choice for any application that requires a reliable and efficient LED panel indicator.