• ON CAMERA TTL FLASH / REMOTE FLASH TRIGGERING: With transmitting and receiving PocketWizard radios set to the same channel and zone, remote flashes will be synchronized with the camera.
• AUTO-SENSING TRANSCEIVER: Instantly and intelligently switch between transmitter and receiver modes as needed.
• 32 CHANNEL: 16 standard plus 16 Quad-Zone Triggering Channels enables you to trigger individual or groups of lights simultaneously or individually.
• LONG RANGE CAPABILITY/REPEATER MODE (RP): In less than ideal shooting environments, long range mode (LR) and repeater mode (RP) nearly double the effective triggering distance..
• ELIGIBLE FOR FREE E RELEASE UPGRADE: The e Release firmware upgrade is now available for PocketWizard Plus III and Plus IV radios to extend the range, enhance reliability and expands features.

You now have the best of both worlds in one easy-to-use, reliable wireless trigger. The Plus IV Auto-Sensing Transceiver allows photographers the benefit of on-camera TTL flash combined with remote manual flash. Whether you shoot portraits, weddings or sports, having the ability to combine on-camera TTL flash with remote manual flash provides you with a huge competitive edge. On-Camera TTL Flash / Remote Manual Flash The Plus IV features a top shoe providing TTL compatiblity with most Canon, Nikon and Panasonic cameras and flashes as well as some Fuji and Olympus gear. This allows photographers the versatilty to shoot with an on-camera flash in TTL mode while triggering their remotes in manual mode. Easily slide a speedlight into the top shoe of your receiviing radio and you are ready to start triggering your remote flash in minutes. A perfect setup for wedding photographers.Top ShoeThe top shoe on the Plus IV allows photographers to easiy set-up their speedlights. No sync cord required. Simple User InterfaceThe Plus IV has an intuitive user interface where all channels, zones and modes can be easily engaged via a soft-touch keypad, and displayed on an easy-to-read backlit 2.5cm (1) LCD display. When youre working in dark environments, simply press any key other than TEST to illuminate the LCD. 32 ChannelsWith 32 channels (16 standard plus 16 Quad-Zone Triggering channels), the PocketWizard Plus IV Transceiver enables you to trigger individual or groups of lights simultaneously or individually. This is critical for working in crowded venues or with multiple lighting set-ups.Quad-Zone TriggeringSelective Quad-Zone Triggering keeps you shooting photos, not running back and forth to your lighting or cameras. Without leaving the camera position, you can wirelessly activate or deactivate your remote flashes or cameras in 4 separately controllable zones: A, B, C, or D. This is ideal when using multiple lighting setups or turning remote cameras or flashes on and off as n