This transmitter is part of the range Harmony XB5R plastic and XB4R metal wireless and batteryless pushbuttons.It features a transmitter for wireless and batteryless pushbutton.It provides 1 radio frame sent at the push of the button and 1 radio frame sent at the release of the button.It operates with the protocol Zigbee green power 2.4 GHz in compliance with IEEE 802.15.4.It weighs 25g.This transmitter is only compatible with receiver ZBRRp version greater than or equal to 2.0, relay antenna ZBRA1 version greater than or equal to 2.0, and access point ZBRNp version greater than 1.2.