The Valcom VP-624B DIRECT PLUG-IN TELEPHONE POWER SUPPLY is a reliable and efficient adapter designed for indoor use. With a socket mount style and a nominal voltage rating of 120V AC, this power supply provides a steady output voltage of 24V DC to ensure consistent power for your telephone system. Its sleek black color and compact design make it easy to install and blend seamlessly into your workspace. With a focus on quality and performance, this product is a valuable addition to any business or industrial setting. Don't miss the opportunity to upgrade your telephone power supply with this top-notch Valcom adapter.