5 Pcs Relay Module One Channel Relay Expansion Module With Optocoupler Isolation 10A 250V

This module allows you control high current and high voltage device through small signal.

High loading capacity,the maximum current of the module is 10A.

Triggered by high level signal ,and the load i controlled by singlechip.

Opto-couplers isolation design makes the module work more stable and resistant to interference.

Equipped with normally opened,normally closed and single-pole double-throw contact.