The CY-20 flashlight has an adjustable flashhead that can swivel up to 90 degree angle upwards.

It can be use on Standard hotshoe like Nikon, Canon, Pentax and Olympus.  Unit includes a 2.5mm PC socket for Strobe synchronisation

ChangYin CY-20 flashlight Specifications:

Guide number: GN 20m (ISO100, DIN21)

Light diffuse angle: Vertical 40o x Horizontal 60o 
Color temperature: 5600k
Power requirement: 2 x 1.5v AA Battery 
Recycle time: 7s
Duration: 1/1000s

Dimension: 65 x 60 x 98mm

Weight: 100g (w/o batteries)