Features 1、SPECIFICATIONS: 4 channel relay module, the relay contact capacity is AC250V 10A DC30V 10A, which has stable performance. 2、REMOTE CONTROL: You can remotely operate each device connected to the relay receiver through the remote control, stable and reliable. 3、GOOD STABILITY: The specification of this relay is 10A, which can load high power electrical appliance, ensure long term stable control. 4、3 OPERATING MODES: This relay module has instantaneous, switching, and locking mode, adjustable operating modes, easy to set and reset. 5、WIDE APPLICATION: This 4 channel relay board is suitable for household, farm, factory, office, laboratory, supermarket, etc, with good practicality. Specification Item Type: Relay Module Material: PCB Relay Contact Capacity: AC250V 10A DC30V 10A Relay Specification: 10A Relay Channel: 4 Channel Application: Used for wireless control relay on off and development of embedded system Package List 1 x Relay Module