10pcs Relay Module DC 12V Relay Board 1 Channel with Optocoupler Isolation Suppo

• 12V Relay Module: Working Voltage: DC 12V; Maximum Load: AC 250V/10A, DC 30V/10A; Trigger Current of Opto-Isolator: 5mA
• Fault-Tolerant Design: Fault Tolerant Design, Even if the Control Line is Broken, the Relay will not Operate;All Interfaces of Relay can be Wired Out Through the Terminals Directly,Normally Open and Normally Closed
• Optocoupler Isolation:1 Channel Relay Board use Optocoupler Isolation that has Strong Driving Ability and Stable Performance ,The Isolation Circuit Prevent Damages to I / O Port by Relay Switch Current
• Jumper Design: The Relay Module has a Jumper That You Can Set Rather the Unit State Changes with High or Low Signal. Has Screw Terminals for Relay (NC,C,NO) and for Input; Coil +, Coil - and Trigger
• Wide Application: DC 12V Relay Module Works Well with ARM /PIC /AVR /MCU/Raspberry/CNC Machine/ PS4 etc.

We offer a 30-Day Return Policy on items which you are not completely satisfied with. You have the option for a full-refund or an exchange of the item.

No returns are available on items shipped outside of the US.

We offer Free Shipping to the US and ship within 2 business days of payment, usually sooner.

We use UPS express shipping.

That\'s why your products are usually delivered within 3 days.

We try our very best to make sure every customer is completely satisfied.

If there\'s a problem, message us! We\'re happy to help you. 24/7 live chat available.