Product description<br>Color:X1-C<br>Model:x1C<br>Type:For Canon<br>Compatible Cameras:Canon EOS cameras (E-TTL II autoflash)/Support for the cameras that have PC sync socket<br>Builled-in remote system:2.4G Wireless Transmission<br>Modulation mode:MSK<br>Power supply:2*AA batteries<br>Exposure Control<br>Manual flash:Yes<br>TTL autoflash:E-TTL II<br><br>2.TTL Control<br>Synchrortiaalion delay set:Yes<br>Flash exposure compensation:Yes+_3 slops in 1/3 stop increments<br>Flash exposure lock:Yes<br>Focus assist:Manual open<br>Second curtain sync:no<br>Modeling flash:Yes,fired with camera' s depth-of-field preview button<br><br>3.Wireless Flash<br>Wireless function:in TTL mode,Ratio Off/In M mode.Flash Ratio (A:B C)/Support for GR group flash, and A-E group can set their flash mode separately<br>Controllat a slave group:In the GR grouping mode, 5(A/B/C/D/E)/In the Ratio grouping made, 3(A/B/C)<br>Transmission range(approx.):&gt;100om<br>Channel:32<br><br>Others<br>Synchronization delay set:Yes(0-10ms,use 100us as the unit)<br>Wireless shutler release:Receiver can control camera shooting through 2.5mm sync<br>ZOOM selling:Adjust the flash's focal length through the transmitter<br>LCD panel:Wide LCD panel,backlight on/off<br>Output interface:Transmitter:use a PC cord to input arid output:/Receiver:use a 2.5mm sync cord to oulput<br>Firmware upgrade:Use the Micro USB port to upgrade<br>Memory function:Settings will be stored 2 seconds after last operation and recover after a restart<br>Dinroorisior/Weight for Transmitter:72x75x52(mm)/100g<br>Dirnerrsion/weight for Receiver:70x65x47(mm)/70g