Chime plugs into any standard power outlet and works with your Ring Video Doorbell to let you know when you have a visitor even if your phone is in the other Set up as many Chimes as you want, and never miss a ding.

The HUSD-15B Series is a Form C (SPDT), dual button hold-up switch that is designed to generate an alarm condition only when both buttons are pressed simultaneously, thus preventing accidental triggering.

• Dual button activation to eliminate accidental triggering
• SPDT transfer contact for supervised loop
• Terminal strip with three wire terminals
• Tamper protected switch mechanism using UL listed microswitch
• Concealed mounting screw
• Status window indicator
• White plastic case housing
• HUSD-15BL latching button,tool reset (included)