Transmit frequency: 433MHZWorkable range: 50m/164ft(open areas)Channels: 16Battery for receiver: 5V (powered by flashes)Sync speed: 1/250S Control on flashes: Flash output power, Modelling light on/off, wireless control flash power on/off, focus assist beam on/off, buzz on/ff, flash triggering etc1*receiver

Transmit frequency: 433MHZWorkable range: 50m/164ft(open areas)Channels: 16Battery for receiver: 5V (powered by flashes)Sync speed: 1/250S Control on flashes: Flash output power, Modelling light on/off, wireless control flash power on/off, focus assist beam on/off, buzz on/ff, flash triggering etcreceiver*1pcs