Compaible with :
1) Hot shoe TTL mode:
Canon 1Dx, 1Ds series, 1D series, 5DIII, 5DII, 7DII 5D, 6D, 7D, 80D, 70D, 60D, 50D, 40D, 30D, 20D, 750D 700D, 650D/T4i, 600D/T3i, 550D/T2i, 500D/T1i, 450D/Xsi, 400D/Xti, 350D, 100D, 1100D, 1000D, 1200D
2) Wirelss TTL Slave mode:
Canon 5DIII 7D 60D 700D 650D 600D, Yongnuo ST-E2, Canon 580EX II Camera with CLS i-TTL system:D4, D3x, D3s, D3, D2x, D700, D300s, D300, D200, D7000, D90, D80
Canon Commander ST-E3-RT YONGNUO Commander YN-E3-RT
3) Master Mode, It can trigger these flash:
YONGNUO: YN600EX-RT YN568EX II, YN568EX, YN565EX, YN500EX, YN560EX, YN510EX Canon: 600EX-RT, 580EX II, 580EX, 430EX II

Features: 
1.Equipped with LED Light 
2.Fully Compatible with YONGNUO YN-E3-RT\YN600EX-RT,Canon's 600EX-RT\ST-E3-RT Wireless Signal 
One YN968EX-RT can be used as master unit to trigger YONGNUO YN600EX-RT, Canon 600EX-RT,and live display the flash groupings of slave unit and recycling information, one YN968EX-RT can respectively receive the wireless signal of master unit YN968EX-RT, YN600EX-RT, YN-E3-RT, Canon's 600EX-RT/ST-E3-RT, realizing remote TTL\M\Multi\Gr flash, supports linked shooting with radio transmission. 
3.High Guide Number, Supports High-speed Sync 
4.Support Auto/Manual Zooming 
5.Supports USB Firmware Upgrade 
The YN968EX-RT equipped with the USB interface, supports firmware upgrade, the users can download the upgrade firmware through the YONGNUO official website to upgrade the flash. 
6.Supports Wireless Optical Slave function 
The YN968EX-RT supports receiving YONGNUO, Canon's and Nikon's wireless optical master signal, supports S1 and S2 flash mode. 
7.Settings Save Automatically, Supports Custom Functions (C.Fn), Personal Functions(P.Fn). 
8.Ultrafast Charging Recycle System, Supports External Power Supply 
9.Equipped with Big Size LCD Display Screen, Standard PC Synchronous Interface 

Specifications: 
Compatibility with: YONGNUO YN-E3-RT\YN600EX-RT,Canon's 600EX-RT\ST-E3-RT Wireless Signal 
Flash Modes: TTL\M\Multi\S1/S2/Gr Grouping flash 
Guide No.: GN60@ISO100,105mm 
Flash Coverage: 20-105mm auto/ manual zooming 
Highest Synchronous speed: up to 1/8000s