Works well. Comes with good battery (a couple years old but not used - as is)

Used on my t6i just fine.

No corrosion on battery contacts.

This Canon Speedlite 160E Shoe Mount Flash for Canon is a reliable and tested product that is sure to enhance your photography experience. It is compatible with Canon cameras and has a hot shoe mount interface, making it easy to use. The flash is designed for both DSLR and Film cameras and has TTL features. It is a great addition to your camera kit for better lighting in your photography. This flash uses strobe light and has no bounce feature.