Tested, on corrosion in battery compartment.

The Canon Speedlite 550EX is a high-quality shoe mount flash designed specifically for Canon cameras. With features like flash exposure compensation, rapid-fire mode, E-TTL, zoom, tilt, and TTL, this flash provides versatile and precise lighting options for your photography needs. Its waterproof design allows for use in various settings, while its hot shoe mount interface ensures easy and secure installation on your camera. Made in Japan, this Canon flash is a reliable and durable accessory for digital camera users looking to enhance their lighting setups.