• ETTL 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 second maximum sync. speed
• Weight: 3 1/4 oz / 92 g
• Dimensions: 4 1/4" x 2 3/4" x 1 1/2" / 108mm x 70mm x 38mm
• Power source: 2 x AA batteries

Weights & dimensions do not include batteries or cords.

INCLUDES:

• 1 UNPLUGGED TTL Transmitter for Nikon
• 2 x AA batteries

ProMaster 5398 USB firmware downloading cable for computer connection. USB micro-B.