HALJIA 6PCS 1 Channel 5V Relay Expansion Module Board Shield Low Level Trigger Universal Blue Terminal High Performance Compatible with Arduino Uno 1280 2560 ARM PIC AVR DSP MCU

Features: This module complies with international safety standards, and the control area and the load area have isolation slots.This module can be used as a microcontroller development board module, can be used as home appliance control.This module control DC or AC signal and control 220V AC load.There is a normally open and a normally closed contact. With power and relay action indication, bright when connect and go off when disconnects.The blue terminal is more convenient to connect to the control line.Size: 43 x 17 x 18 mm Weight: 12.8gPacking List:6 x 1 Channel Relay Module