This relay module is 5V active low.
It is an 4-channel relay interface board, which can be controlled directly by a wide range of microcontrollers such as For Arduino, AVR, PIC, ARM, PLC, etc.
It is also able to control various appliances and other equipments with large current.
Standard interface can be directly connected with microcontrollers.
Red working status indicator lights are conducive to the safe use.

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 4 inch
Height : 1.1 inch
Length : 5.4 inch

Item Weight: 1.6 ounce (View shipping rates and policies)
Shipping Weight: 1.6 ounce (View shipping rates and policies)

ASIN : B01K18QFRC