Giga Ring

this is a transformation device used by Power Rangers Giga Grid

Transformation
to transform the user shouts "Giga Ring GigaVolve To... Giga (respected colour) which makes the ring glow and fuse the user with the suit

once fused the user's eyes glow (any of the 5 colours depending on the ranger) and gears on their head appear while the suit charges onto the user it then shows the user's skull with glowing eyes and their robotic souls which then creates the helmet

transformation complete

Trivia
-it looks the same as the Denzi Ring from Denziman