Modul Relay Switch 4 Ch Channel 4Ch 5V 5 Volt Low Level SPDT ESP Arduino Compatible Opto Isolated Module

Modul Relay 4Ch 4 Ch Chanel Channel 5 V Volt 5V Module SPDT Low Level Arduino Compatible Opto Isolation

FEATURES :
– With isolation groove in control area and load area.
– With power and relay action indication, bright when connect and go off when disconnects.
– When there is a signal in signal input, public side and common side will breakover.
– It can be not only used as a microcontroller development board module, but also as a home appliance control.
– It can not only control the DC or AC signal, but the 220V AC load.
– With a permanent open and close vents contact.
– It is convenient to connect with blue KF301 terminal access control cable.

SPECIFICATION :
– VCC : Power interface ,5V
– GND : Ground
– IN : Control interface .Drive Current at least 4mA
– COM : Control circuit ground ,Connect to GND