The Canon Speedlite ST-E2 Transmitter is a powerful and reliable triggering device designed specifically for Canon EOS cameras. With a sleek black design and a test button for easy flash head triggering, this transmitter is perfect for photographers looking to control their flashes with precision. Powered by batteries and featuring a hot shoe slave/flash connection, the Canon Speedlite ST-E2 is a top-of-the-line accessory from the trusted brand Canon, made in Japan to ensure high quality and durability.