TTL:No
Light Source:Flash Light
Model Number:YN660
Size (WxHxD):21 * 6.5 * 5cm / 8.3 * 2.6 * 2.0in
Brand Name:YongNuo
Display:Yes
Package:Yes
Power Source:4 * AA
Bundle:Bundle 1
Color Temperature:5600K
Compatible Camera Brand:NIKON,CANON,Pentax
Weight:427g / 15.2oz
Curcuit Design:IGBT
Guide No:66(ISO 100, 199)
Flash Mode:M/Multi
Trigger Mode:Camera set-top/TX/RX/S1/S2