Battery powered wireless DMX transceiver (transmitter/receiver in one) that is compatible with all ADJ WiFLY products. After connecting the WiFLY EXR Battery transceiver to a DMX Controller users can send a constant and reliable wireless DMX signal up to 2.500feet/760m to other ADJ WiFLY products. The WiFLY EXR Battery has a battery life of up to 20 hours. There are digital battery life and WiFLY wireless signal strength indicators on the side of the unit. Plus, a magnetic bottom plate allows for temporary, quick and easy mounting of the WiFLY Battery transceiver onto a metal lighting fixture or object. The wireless frequency is 2.4 GHz and will coexist in busy RF environments alongside technologies like Bluetooth and Wi-Fi. The ideal solution for event productions, nightclubs, DJs. One transmitter can send to many receivers using the same radio channel, Receivers automatically listen for transmitters (no pairing required), Supports up to 15 DMX-512 universes, Dip Switches to select from 15 different radio channels (one DMX universe per channel), 3-pin & 5-pin DMX In/Out. Dimensions 148 x 135 x 62mm, Weight: 0.75 kg.