KY-019 5V Relais - SensorKit

This module is a 5V relay for switching higher currents.

KY-019 5V Relais - SensorKit

1-relay 5V KY-019 module high-level trigger

5V Relay module KY-019 1-channel relay module DC high level

Sensor Wiki: KY-019 Relay Module - The Geek Pub

KY-019 5V Relais - SensorKit

KY-019 Datasheet 5V Relais module

Sensorkit X40

How to use 5V Relay module (KY-019) with Arduino - Tutorial +

37-in-1 Sensor - ARDUINO UNO R3

KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP