KEYESTUDIO 4 Channel Relay Shield 5V for Arduino Controller R3 ARM PIC AVR STM32 Raspberry Pi HIGH Level Trigger Relay Module Expansion Board

The KS0251 is a powerful and versatile 4-channel relay module shield that integrates seamlessly with the R3 control board, providing you with complete control over high-power, high-current devices.

With its active HIGH level relay terminals, you can connect high voltage devices directly to the device without any worry.

The product dimensions are 2.72 x 2.09 x 0.91 inches and it weighs only 1.44 ounces, making it easy to carry around.

The KS0251 is a must-have for anyone looking to control high-power devices with ease and convenience.