TTL:No
Color Temperature:3000~15000K
Weight:540g
Size (WxHxD):20x14x10
Display:Yes
Package:Yes
Model Number:RF-550D
Light Source:LED
Bundle:Bundle 1
Compatible Camera Brand:Lumix,NIKON,Pentax,CANON
Power Source: 4 x AA batteries
Brand Name:Excelvan
Flash GN:15
Effective Distance:5cm~150cm
Sync Speed: 1/100s
Average Life Span:">50,000 hours
Power Needed:4 x AA batteries(No Battery Included)