Functions:
1. Support the electric zoom function
2. Support group control function
3. Support exposure lock
4. Support three flash groups to output different power flash
5. Support light ratio output function
6. Support front curtain sync, rear curtain sync, high-speed sync
7. Support the manual setting of group flash on the transmitter
8. Support high-speed sync 1/8000s
9. Support 1 transceiver to control multiple receivers
10. Support USB function
11. Support test flash function
12. Transmitter hot shoe expenditure function

Features:
1. LCD display output, clear at a glance
2. Multi-button setting, each function independent button, easy to use
3. Support more operating systems to upgrade device software online
4. Longer remote control distance, control distance of more than 300 meters
5. More output mode combinations, you can set different flash output power for each group at any time
6. More power-saving design, using a more reliable gold-plated metal battery clip and anti-lost battery compartment cover design
7. Metal structure design, more solid
8. Use 15 fixed channels and an automatic frequency mode, with no interference in the same area
9. Use two colors of LCD backlight, it is easier to distinguish between Master or Slave working mode

Parameters:
1. System mode: FSK 2.4GHz wireless remote control system
2. Wireless channels: 15 fixed channels and 1 automatic frequency band
3. Power supply: Transmitter: 2 AA batteries, Receiver: 2 AA batteries (batteries not included)