Description

1 channel relay module.
One normally closed contact and one normally open contact.
High impedance controller pin.
Default High-level trigger.
Pull-down circuit for the avoidance of malfunction.
Power supply indicator lamp.
Can be controlled various appliances & other Equipment With Large current.
Standard TTL Level logic controlled.
The module is compliant with international safety standards.
With 4 fixed screw holes, hole diameter 3.1mm, convenient installation, and fixation.