Godox CT-16 sixteen Channels Wireless Radio Flash Trigger Transmitter + 2x Receiver Set for Canon Nikon Pentax Studio FlashIntroduction:The distant trigger for studio flashes and open air flash is used as the controller of synchronous set off studio flash of cameras It consists of a signal sender and a receiver set off and works via technique of the frequency modulation wi-fi handheld remote control sign transmitter adopts the stepped forward circuit and components, and may transmit the coded FM wireless signal The circuit of the transmitter has the operate of standby and hibernation, thus it has low power consumption; the products can paintings under the standby mode for more than one year with only 1 battery; always set off for thirty thousand instances The set off current is just 0, which will actually cause no injury to the flash contact of the camera The transmitter is relevant to the traditional or digicam with scorching shoe or PC controlling interface set off adopts dry battery for strength supply, which is safe, energy-saving, and convenient The product adopts micro-computer for controlling the decoding, which has superior anti-interference capability; sensitive response speed, the best synchronous speed can attain 1/250sec the items of the product uniquely have the multi-frequency isolation approach and the self coding matching function by users Users can freely event and use the sender and the receiver according to the demands, that have sixteen isolated channels to fit for specific capturing environments Triggers set in different channels can be mixed to work or independently work yet don't intervene with each other in an efficient distance Universal hot shoe interface- 433MHz transmit frequency secures quick reaction and stable transmission- sixteen channels, transmitting distance up to 30m, no limits with directions or angles- Maximum synchronous speed up to 1/250 second- With studio flash interface, can wirelessly set off a number of styles of studio flashes- Speedy frequency regulation, convenient for photographers to shoot- Energy-saving design with 12V 23A battery for transmitter and two AAA batteries (not included) for receiver- Comes with a PC sync twine for cameras with out scorching shoe connectionsNote: This trigger doesn't support TTL operate with:For Nikon SB-900, SB-800, SB-600, SB-28, SB-27, SB-26, SB-25, SB-24;For Canon 580EX II, 580EX, 550EX, 540EZ, 520EZ, 430EX/EXII, 430EZ, 420EX, 420EZ, 380EX;For Pentax AF-540 FGZ, AF-360 FGZ, AF-400 FT, AF-240 FT;For Olympus FL-50, FL36;For Sigma EF-500 DG Super, EF-500 DG ST, EF-430;For Sunpak Auto 2000DZ, 622 Pro, 433AF, 433D, 383, 355AFm 344D, 333D;For Vivitar 285HV (Older Vivitar 285/283 works solely with PC sync);Other flash units with a trigger voltage of 12V or lower;Work with flash models utilizing universal scorching shoe like for Nikon, for Sigma, for Olympus, for Pentax (except for SONY as they use a different sizzling shoe) Specification Model: CT-16Channel: 16 ChannelsTransmit Frequency: 433MHzTransmitter Power: 12V 23A lithium battery (Not included)Receiver Power: 2 x 1 AAA Battery (Not included)Outdoor operation distance: max 30m / 90feet (open area, no fraise)Indoor operation distance: max 25m / 75feetSynchronous speed: Max 1/250secTransmitter Dimension: 60x42x30mmReceiver Dimension: 90x50x32mmColor: BlackMaterial: Metal + PlasticOperationHow to use:Insert the transmitter&;s hot shoe socket into your camera&;s hot shoe jack, plug the flash onto the receiver, and switch ON the receiver Make yes the channel selector of both transmitter and receiver at identical channel Press the Test button at the transmitter to test before taking pictures your digicam does not have hot shoe socket for connecting the transmitter you possibly can connect the transmitter to the camera by means of the PC Sync Cord provided (Only the previous digital camera needed) can set off either the flashgun and studio lights with this flash set off If you use the receiver on big studio strobe flashlight or AC slave flash, you possibly can just join the receiver to the studio strobe flashlight with 3 or 6 jack plug PC Sync cord(not included): Canon 2000D, Sony Minolta sizzling shoe,etc Listing CT-161 xCT-16 Transmitter1 x CT-16 Receiver1 x Sync Cable1 x Convert Adapter1 x User ManualPackage Listing 1xT upload 2x R1 xCT-16 Transmitter2 x CT-16 Receiver2 x Sync Cable2 x Convert Adapter1 x User ManualPackage Listing 1xT upload 3x R1 xCT-16 Transmitter3 x CT-16 Receiver3 x Sync Cable3 x Convert Adapter1 x User ManualPackage Listing 1xT upload 4x R1 xCT-16 Transmitter4 x CT-16 Receiver4 x Sync Cable4 x Convert Adapter1 x User Manual Note: There are assorted Kits within the hyperlink Please position your order according to your wishes Thank you