WQYRLJ TT685S 2.4G HSS 1/8000S TTL Camera Flash Speedlite for Sony A77II A7RII A7R A99 A58 A6500 A6000 A6300: Electronics. Buy WQYRLJ TT685S 2.4G HSS 1/8000S TTL Camera Flash Speedlite for Sony A77II A7RII A7R A99 A58 A6500 A6000 A6300: Shoe Mount Flashes - ✓ FREE DELIVERY possible on eligible purchases. Include Two Transmitting Styles: Optical transmission and 2.4G wireless transmission with all-in-one functions and 100 meters further transmission 。 Full TTL Functions:Supports HSS(max.1/8000s), front/rear curtain sync, FEC, multi flash, manual flash, etc 。 Master & Slave Flash: compatible with Sony wireless lighting system(WL). It can function as either an optical wireless master or slave flash 。 GN60(m ISO 100,@200mm), 22 steps of power output(1/1-1/128), support TTL/M/Multi/S1/S2 modes, 20-200mm auto/manual zooming 。 Compatible Camera Models: TT685S can be used on the following Sony DSLR camera models:a77II/a7RII/a7R/a58/a99/ILCE6000L, etc 。 Compatible Camera Models: TT685S can be used on the following for Sony DSLR camera models:a77II/a7RII/a7R/a58/a99/ILCE6000L, etc。Flash Exposure Control:。TTL autoflash: E-TTL II。Manual flash: Yes。Stroboscopic flash: Yes。Function:。High-speed sync:Yes。Second-curtain sync:Yes。Flash exposure lock:Yes。Focus assist:Yes。Modeling lamp:Control the modeling lamp by the flash trigger。Beeper:Control the beeper by the flash trigger。Wireless setting:The receiver end can control the camera shooting through the 2.5mm sync cord jack。ZOOM setting: Adjust the ZOOM value by the transmitter。TCM function:Transform the TTL shooting value into the output value in the M node。Firmware upgrade:Upgrade through the Type-C USB port。Memory function:Settings will be stored 2 seconds after lasht operation and recover after a restart。Wireless Flash:。Transmission range:approx.££º0-100m。Built-in wireless:2.4G。Modulation mode:MSK。Channel:32。Wireless ID:01-99。Group:16。Note:。4 AA (The battery is not included.)。Package List:。1 * Speedlite。1 * User Manual(English) 。 。 。