ETC ColorSource Relay W-Receiver, Relay with Wireless Receiver, Receives wireless DMX signals for relay control, The selection of six wireless IDs is selectable via thumbwheel, Sends DMX data over the cable connection while RDM feedback is wireless and wired, USB Master: USB port for software upgrades, Power Twist compatible inputs and outputs, Switching current: 16 A max., Automatic circuit breaker: 20 A, Voltage range: 85 - 250 V, Power supply: 90 - 250 V, 47 - 63 Hz, IP20 classified - for the dry indoor applications, 4410A1010, Suitable transmitter ETC ColorSource W-Transmitter: Art.#396989# (not included)