Hand Held Remote Control 3-Channel
It is needed if you have a dual-track system or 2 single track systems
They can be programmed as follow:
Channel 1 operates the 1st track only
Channel 2 operates the 2nd track only
Channel 3 operates both tracks simultaneously
Specifications:
3-Channel
Capacitive Touch Screen
Photoconductive and Sound Notification
RF: ASK433.92MHZ
Power of Emission: <10mW
Battery: AAA 1.5V x 2