Features:
Moderately compact and portable
Compatible with most digital and film cameras
Powered by 2x AAA battery (batteries not included!!)
2 levels of brightness adjustable
PC sync input for cameras without a hotshoe (cable not included!!)
A twist locking wheel design for securing the flash
 
Specs:
Material And Finishing: aluminum alloy anodizing
Weight: 68g (2.4oz)
Dimensions: 63mm x 30mm x 51mm
Guide Number: GN10
Recovery Time: 4-10s
Color Temperature: about 6000k
Battery: 2x AAA battery (battery NOT included)
Battery Life: >500 flashes
Warranty: 6 months
 
Included in the package:
Simple Flash x1
Diffuser x1
Color filter x3
User Manual x1
 
If you are using a vintage film camera without a hot shoe, you need to buy the PC sync cord; otherwise, you don't need it (>90% you won't need it).