TORK signaling devices provide professional-grade performance and signaling for a range of commercial and residential applications. Use the TA620 Non-Illuminated Push-Button to activate low-voltage bells, buzzers, horns and other audible signals outdoors. The round chrome faceplate is 5/8" and makes this push-button an attractive choice for the home or office. Additionally, this push-button can be used with the TA147-1 metal mounting plate. It is ideal for signaling at factory doors, receiving departments, small office buildings, limited-access retail stores or private homes. Rated for 24VAC. When it comes to home and office signaling you can rely on, trust in the name of TORK - a pioneer in the industry since 1922.