New, unused. Immediate purchase is okay. About Aputure Sidus Four The Sidus Four is a network device that combines a CRMX transmitter, wireless router, and Ethernet node, supporting up to 8 universes. By using the Sidus Four as a repeater, you can control Aputure products and products from other manufacturers collectively using apps like SidusLinkPro. The Sidus Four supports WiFi and CRMX signals and is equipped with five dual-band antennas. It allows wireless control of devices up to 800m away. Furthermore, by operating on the 2.4GHz frequency for CRMX and the 5.8GHz frequency for WiFi, the Sidus Four minimizes network congestion and builds a stable network. Product Features - Supports up to 8 universes with 4 wired DMX ports and 4 wireless CRMX ports. - Expandable beyond 8 universes by connecting multiple Sidus Four units via Ethernet. - Supports CRMX, DMX512, Art-Net, and sACN via Wi-Fi/Ethernet. - Equipped with Linking Key Support function for simplified CRMX pairing. - Wide-range wireless connectivity: CRMX: 800m, Wi-Fi: 800m, Sidus Bluetooth: 300m. - Reduces network interference risk with 2.4GHz CRMX communication and 5.8GHz Wi-Fi communication. - 80-minute backup battery. - Built-in V-mount battery plate. - IP65 dustproof and waterproof rating. Set Contents: - Main unit x1 - Sidus Four dual-band antenna x5 - 3/8" to Baby Pin Receiver Adapter x1 - 18W (9V) Power Adapter x1 - Plug x1 - 5-pin XLR Male to 5-pin XLR Male Adapter x4 - Hard Case x1