Check the listing for details. Paul C. Buff CYBERSYNC Trigger Transmitter 3. Condition: New. Listed at 74.95 USD. CyberSync Trigger Transmitter 3 The CyberSync Trigger Transmitter mounts onto your camera's hot shoe to provide wireless firing. When your camera shutter is pressed, the CST3 will simultaneously send the firing signal to all of the flash units in your setup that are fitted with CyberSync receivers or transceivers. Simply match the frequencies across all components and you’re ready to shoot! Features & Specifications Up to 350' of wireless working range via radio frequency (2.4 GHz band) Enhanced spring-loaded hot shoe contact Wirelessly fire an indefinite number of lights 16 different frequencies to choose from Runs on a rechargeable internal lithium ion battery (USB-C) Reduced power draw during sleep mode for longer battery life Works with all CyberSync Receivers and Transceiver (CSR, CSRB, CSR+, CSRB+ and CSXCV) In the Box CyberSync Trigger Transmitter 2-Year Factory Warranty