It also has the possibility, by purchasing the optional cable, to control the camera from a distance.
Specifications:
Frequency: 2.4GHz
Channels: 16
Range: Up to 180m
Synchro Speed: Up to 1/250
Trigger Rate: Up to 8 frames for second (FPS)
Charge Indicators: Green/Red
Power supply: Transmitter – Lithium Battery (CR2450)