8 Channel Relay Module Optocoupler Isolation Relay Board Onboard EL817 Photocoupler 5V 10A

Feature: 1. [COMPACT SIZE] 8 channel relay module, which has compact structure, easy to install and does not take up space. 2. [WITH OPTOCOUPLER] Onboard EL817 optocoupler, with optoelectronic isolation, strong interference resistance ability. 3. [GOOD DURABILITY] Onboard 5V, 10A/250VAC, 10A/30VDC relay, with a long life and can be continuously pulled in 100000 times. 4. [EASY CONNECTION] The relay module can be directly connected to the microcontroller I/O, and has output signal indication. 5. [SAFE OPERATION] The relay control board has diode freewheeling protection for safe operation and short response time. Specification: Item Type: 8 Channel Relay Module Material: Resin Working Voltage: 5V Working Current: 10A Size: Approx. 79.5 x 71mm / 3.1 x 2.8in Package List: 1 x Relay Module Note: Pay attention to electricity safety when installing and using.