12V 4 Chanel Relay Module Board, 1pcs 4 Channel Relay Module shield

4 Channel Relay Module shield
Description
This is a 4- channel AC power relay that can be controlled directly via a microcontroller. Inputs are opto-isolated to protect any delicate control circuitry
Specifications
1. Channels : 4 Opto-isolated for protection
2. Relay Max SWitch Voltage: 250 Volts AC/ 30 Volts DC
3. Relay Max Switch Current: 10 Amps AC/ 10 Amps DC
4. Relay Control Voltage: 3.3 -5.0 V directly via microcontroller (Arduino, AVR, PIC, ARM, BoardX, Raspberry Pi, MSP430, etc)
5. Relay Control Current: 20-30mA
6. Relay module working Voltage: 12V
7. Board Size:     7mm*5.3mm
Notes:
This shield is suitable for household appliances, and large current load.
Be suitable for 51/AVR/AVR/ARM.
1.support all MCU control.
2.the industrial sector;
3. PLC control;
4. smart home control;