A/1 uses to turn on /off the blue group, B/2 uses to turn on /off the white group, C/2 uses to turn on /off the yellow group, "ON"/"OFF" means turn on/off the whole item.
Specifications:
Working Voltage: AC180V-240V 50Hz/60Hz
Remote Control Battery: 12V 23A battery (Battery is not include)
Remote control distance: about 5-10 meters indoor, over 15m outdoor
Load Power: Every port load: fluorescent lamp: 600W; energy-saving lamp: 150W; LED 100w
Resistive Load: The largest output power of single group within 1000W.(Like incandescent light or light bulb, etc.)
Packaging:
1 x Remote Control Reciever (Battery is not include)