Nikon SU-4 TTL WIRELESS REMOTE SLAVE CONTROLLER

Feature:

The SU-4 Wireless Remote TTL Flash Controller enables wireless remote flash with automatic TTL or manual exposure control

Can be attached to any current Nikon Speedlight and many previous models

Detects the firing of the master flash (including built-in Speedlight) and sends a firing start signal to the slave unit

Terminates the firing of the slave flash by detecting firing stop signal. Eliminates the need for connecting cord

Operates effectively up to 23 or 25 feet from location of the main flash

Note: Product feature and specification are subject to change without notice.