Overload Relays 1pcs Relay module 1 2 4 6 8 Channel 5V 12V Relay Module Board Shield with
Optocoupler Hign-concerned Chemical: None
Theory: Solid State
Relay Protect Feature: Epoxy
is_customized: Yes
Usage: General Purpose
Model Number: Relay Module with
Optocoupler Voltage: 5V
For STM: electronic module