The TX-E101 Interlogix 4-Button Keyfob is a remote control device designed for use in home surveillance and smart security camera systems. Manufactured by Interlogix, this keyfob features four buttons for convenient and easy control of security functions. With its compact and user-friendly design, the TX-E101 provides a simple and efficient way to arm or disarm your security system from a distance. Perfect for those seeking a hassle-free way to manage their home security, this keyfob is a reliable and essential accessory for any modern surveillance setup.