Canon ST-E3-RT Speedlite Transmitter

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Product description

Manufacturer description: The Speedlite Transmitter ST-E3-RT facilitates radio controlled, two-way wireless transmission up to 98.4 feet, for a reliable and robust connection among master and slave units. Communicating on 2.4 GHz frequencies, the Speedlite Transmitter ST-E3-RT does not have the same directional limitations of traditional wireless optical transmitters. Where other wireless signals can be interrupted by physical obstacles, radio controlled systems excel. Fifteen transmission channels are available, selectable manually or automatically, and radio transmission IDs can be set to prevent misfiring in the event of signal interference on the same channel. With the extended, more reliable range afforded by radio transmission, ambitious photography is made easier.

Quick specs
Power source AA/LRG Alkaline Batteries x2 (Ni-MH and Lithium batteries can also be used)
Dimensions 2.65 x 2.42 x 3.05 (67 x 61 x 77 mm)
Weight 3.90 oz (111 g)

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