Key Features AV voltage max. 250V, AC current max. 10ADC voltage max. 30V, DC current max. 10AUses 8550 triode drive, strong drive abilityWorking voltage: 5VModule built-in green LED power indicator and red LED indicates relay statusVCC: 5V input, external connect to GNDIN1, IN2, IN3, IN4 Control ports, connect to I/O portGreat for DIY project
This electric relay module is practical for its stable performance and high quality. Made of high-quality material and with fine workmanship, this module is up to standard that you could trustingly use it for a long time. Adopting optocoupler, it performs well on anti-interference.