Main Features:?-?Reducing the shadow behind the body was taken to achieve more naturally photography effect.
-?With the locking ring， you could tighten it onto hot shoe safety.
-?Comes with photoelectric trigger function， guarantees super recycle time and user-friendly operation.
-?Compact and light weight external flash units which is specially designed for now popular without flash light camera.
-?Adopts fixed knob and LCD panel to ensure easily operation.
-?In slave mode， supports 4 channels in 3 groups.
-?Enter into stand-by state if no operation after several minutes to save power.

Specifications:
Brand: VILTROX
Compatible cameras: Canon ETTL system camera
Slave mode: Slave / S1 / S2
Flash-ready indicator: Red pilot light
Guide number: GN27 ( ISO 100 / m )
Adjustable vertical angle: 60 / 75 / 90 degree
Effective flash range: 0.7 - 19.3m ( Quick flash: 0.7 - 11.1m )
Recycling time: Approximate 0.1 - 4s
Working mode: ETTL / M / Multi
Internal Power:?2 x AA alkaline batteries?( Ni-MH and lithium batteries are also usable?)

Note:
The battery is not included. Model Number: JY - 610C Package weight: 0.245 kg
Product Size(L x W x H): 10.10 x 6.40 x 4.80 cm / 3.98 x 2.52 x 1.89 inches
Package Size(L x W x H): 11.00 x 8.00 x 5.80 cm / 4.33 x 3.15 x 2.28 inches Package Contents: 1 x JY - 610C Flash Speedlite Light， 1x User Manual in English and Chinese， 1 X Carrying Bag