ALZO Wireless Speedlight Flash Controller Kit 16 Channel

16 channel 433 MHz switch selectable operation Usable range 80 feet (25M) LED diagnostic indicators on both transmitter and receiver The transmitter includes a test button Includes 1 - 10 inch PC accessory sync cord for receiver PC connection to 2.5mm flash sync port The comprehensive Wireless Flash Controller Kit includes a transmitter, receiver, and 2.5mm phone plug sync cord adapter. The transmitter includes a mini-phone sync connector for controlling a bracket-mounted flash as well. Battery life is exceptional at about 20,000 usages. The Wireless Controller Transmitter and Receiver have 16 selectable channels of operation, with DIP selection switch for channel selection matching. Channel selection is important when you work in a studio situation where several photographers work near each other; it can also be used to improve reliability when excess RF noise exists. This radio wireless controller is not TTL compatible and requires manual selection of flash power. The transmitter includes one 23AE 12V battery, the receiver requires 2 AAA batteries (not included). More Features Receiver has speedlight hot shoe top (not TTL) Receiver has PC female connector on side Transmitter includes one 23AE 12V battery Receiver requires 2 AAA batteries (not included) Typical battery life is 20,000 usages Guide Wireless Flash Controller Manual