433MHz 4-Channel Wireless Flash Trigger (1 x 12V 23A + 2 x AAA)
Material: plastic housing - 4-channel - Frequency: 433MHz - Shutter sync speed is up to 1/250s - Control range: 30 meters - Transmitter: powered by 1 x 23A/12V battery (included) - Receiver: 2 x AAA batteries (not included) - Comes with sync cable + Chinese manual