Features:
Guide number of 34 (at ISO 100)
Automatic zoom range of 17 to 200 mm
Redesigned thermal protection that slows down the flash instead of shutting it off when overheating
Wireless control: Full support for Nikon's Creative Lighting System (CLS); works as Commander or Slave
Three light patterns: Adjustable to Standard, Even or Center-weighted
User-friendly: Illuminated buttons and a bright LCD screen for quick navigation
Filter detection: Automatically recognises hard colour filters and adjusts the camera's white balance
Runs on 4x AA (not included)