8 Channel Relay Module Overcurrent Protection ABS Intelligent Control USB Relay Switch Module for Me

Feature: 1. BUILT IN CHIP: Relay module built in stable USB to serial chip and microcontroller, serial debugging software can send serial commands to the computer to control the 8 relays on and off, you can also send commands to the serial port relay status. 2. USB RELAY MODULE: The relay module has a 5V supply voltage and supports USB power or external power switch. 3. ABS MATERIAL: The plate of the relay module is made of ABS, which has good wear resistance and insulation and long service life. 4. SAFE TO USE: This relay module has over current protection and relay diode renewal protection, making your use more secure and safe. 5. LONG SERVICE LIFE: With a long electrical life of 100,000 continuous connections, this relay will meet your long term use needs. Specification: Item Type: 8 Channel Relay Module Material: ABS, electronic components Chip: On board 8 bit high performance microcontroller chip Power Supply Voltage: 5V, support USB power or external power switch Output Type: Relay switch signal Package List: 1 x 8 Channel Relay Module Note: Pay attention to safety