Works with Canon 600EX-RT, Yongnuo YN600EX-RT, SN600C-RT Flash Speedlite As ST-E3-RT, YN-E3-RT

Shanny speedlite signal transmitter SN-E3-RTs is a wireless strobe signal transmitter.
With 2.4G wireless RF instruction (hereinafter referred to as RF instruction) can respectively control 3 group (unlimited units) and 5 (15 units) with 2.4G RF transmission. 

Functions:

• Type: On-camera speedlite signal transmitter
• Compatible camera: Compatible with E-TTL II/E-TTL Auto Flash A type EOS Camera Automatically
• Transmission mode: Radio Transmission
• Flash Mode: ETTL/M/MULTI/Gr
• Channel: Automatic channel, channel CH1~CH5
• Radio ID: 0000-9999
• Slave Unit Control: Up to 5 Groups(A/B/C/D/E), up to 15 salve flashes
• Radio Transmission Distance: More Than 30M
• Flash Function: Flash Exposure, Exposure Compensation, Surounded, FE Lock
• Shutter Sync: Before the curtain Synchronization, High Speed Sync
• Manual Flash: 1/128 ~ 1/1
• Frequency Flash: 1~199Hz
• Linkage Film: Yes
• Auxiliary Focus Function: Yes
• USB Firmware Upgrade: Yes
• Power: 2*5(AA) Batteries Alkaline or Ni-MH is usable

Package Includes:

• 1 x SN-E3-RTs
• 1 x Bag
• 1 x Manual