uniquegoods Hot New 4 Channel Relay Module Set Infrared Remote Controllor IR Receiver 5V and 4-CH Relay Module Receiver panel power supply: 5V(5V as 5V positive, GND as 5V negative) Relay on load capacity: 250VAC - 10A; 125VAC - 10A and 30 VDC - 10A;28VDC - 10A Static electricity: less than 10mA;All off current: less than 230mA Remote control distance: maximum 12 meters (Note:The battery is not included) This module is self-locking output mode, When press a time the remote control,then output low level,press again,it will recover to the high level,connected the power and default is high level.