The Bolt 4K LT 3G-SDI 750 TX and Bolt 4K 12G-SDI 750 RX Kit with no battery mount is a zero-delay wireless video transmission system that supports up to 4Kp30 via HDMI and up to 1080p60 via SDI with a line-of-sight range of up to 750 feet (228m). Key features include fast reconnection times, stable connectivity, and intuitive setup with a Bluetooth App for iOS or Android. Both devices are compatible across the entire Bolt 4K product family. via HDMI at a line-of-sight distance of up to 750ft (228m) with no image delay. Key features include increased range, faster reconnection times, easier setup with Bluetooth App for iOS or Android, and more stable connectivity. These devices are cross-compatible with the entire Bolt 4K Family. This set includes both the Bolt 4K LT TX 750 and Bolt 4K LT RX 750.