The Bolt 4K LT 3G-SDI 1500 TX and Bolt 4K 12G-SDI 1500 RX Kit with Gold Mount Battery Plate 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 1500 feet (457m). 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.