nThis relay module is 5V active low.
nIt is an 4-channel relay interface board, which can be controlled directly by a wide range of microcontrollers such as For Arduino, AVR, PIC, ARM, PLC, etc.
nIt is also able to control various appliances and other equipments with large current.
nStandard interface can be directly connected with microcontrollers.
nRed working status indicator lights are conducive to the safe use.
nWidely used for all MCU control, industrial sector, PLC control, smart home control.
nWorking voltage: 5V
nChannel: 4 channel
nItem size: approx. 7.1 x 5 x 1.3cm
nNet weight: 41.3g