The Patient Interrupt Switch Tx is a compatible accessory designed for use with the Chat4759 device. It provides a dedicated switch function to support patient interrupt operation as part of the connected system.Specifications Compatibility: Chat4759 device Product Type: Patient Interrupt Switch (Tx) Packaging and Quantity Packaging: Refer to product listing for available pack optionsFrequently Asked QuestionsQ:1 What device is this switch designed to work with?A: This Patient Interrupt Switch Tx is an accessory designed for use with the Chat4759 device.Q:2 What type of accessory is this?A: It is a patient interrupt switch accessory used in conjunction with the compatible device. Why Buy from All Care Store? Free shipping on all orders within the USA 30-day hassle-free returns on unused products Dedicated customer support: 1-888-889-6260 or [email protected] Shipped from Plano, Texas — fast nationwide distribution