Speedlite JY-680C dslr camera flash for canon with TTL

TTL  Flash Speedlite JY-680C

Description

The improved power saving mode:  Without any operation, the flash will get automatic shutdown sooner
Illumination covers a focal length from 14mm to 105mm
Supporting high-speed continuous shooting: Under the output level of 1/8 or below, JY-680 can support the 8FPS high-speed continuous shooting
Super speed of charging recycle, around 0.1~6 sec.  

 Specification

Guide number:58/190(at 105mm focal length,ISO 100 in meters/feet)
Flash coverage:24-105mm(14mm iwht wide panel)
 swinging/tilting flash head(bounce flash)
Effective flash r5ange :Normal flash :Approx:0.5-7.5m/1.6-98.4ft.
High-speed sync:0.5-15mm/1.6-49.2 ft.(1/250sec.),
Transmission rang(Approx.):Indoors:12-15m/ 39.4-49.2ft.
                                          outdoors:8-10 m/26.2-32.8 ft.
Master unit reception angle:±40° horizontal, ±30°vertical
Effective rang(Approx.):At center:0.6-10m/2.0-32.8ft.,
                                     periphery:0.6-5m/2.0-16.4 ft.
Internal power:Four size-AA alkaline batteries ,Size -AA Ni-MH and Lithium batteries also usable
Battery life(Approx.flash count):100-700 flashes(with size -AA alkaline batteries)
External power:compact battery pack CP-E4
Dimensions(WxHxD):76x137x117 mm/3.0x5.4x 4.6 in.
Weight(Approx.):405g/14.3 oz.(Speedlite only,excluding batteries)

Compatiable camera:Canon E-TTL DSLR