Promaster 6859 Unplugged TTL Transmitter For Nikon Flash Batteries Increase your reach by 2x

Increase your reach by 2x (up to 1200mm) or 1

allowing you to isolate your subject from the foreground and background with amazing light gathering capabilities when shooting wide open

the lamp's Bowens front accessory mount makes it completely compatible with a variety of lighting modifiers

The AC7 is also the perfect solution for use with an umbrella with its centered umbrella mount

Promaster 6859 Unplugged TTL Transmitter For Nikon Flash Batteries Increase your reach by 2xETTL mode with exposure compensation Multi flash mode High speed sync. Manual mode 15 Channels with 99 IDs A, B, and C Groups with ratio control Modeling light control (on off & intensity) AF assist beam (on and off) Control of lights's audible function (on and off) 300' 100 m range USB firmware upgradeable Availability of some features is camera model dependent SPECIFICATIONS: Compatible with UNPLUGGED TTL lights 2. 4 GHz operating frequency 1 8,000