*Frequency:FSK2.4 GHz
*Maximum synchronous speed:1/8000 sec
*Available flash mode:TTL,,Manual Flash
*Distance:300m+
*Camera's sync modes: rear-curtain sync,high-speed sync,1st curtain sync
*Controllable slave groups:3
*Channel:15 channels
*Compatible flash:studio lights,outdoor flash light
*TX standby time:200 hours
*RX standby time:100 hours
*Sync port:3.5mm port
*Size:12*7*10cm
*Weight:300g
*Power source: 4*AA batteries