5V 1 Channel Relay Module

Features :

• Detect the module complies with international safety standards, the control area and the load region isolation trench. the 8550 transistor drive, drive ability.
• The signal input with signal common terminal will start with regular conduction.
• Can be used as a microcontroller development board module can be used as home appliance control. the control dc or ac signal, you can control 220v ac load.
• There is a normally open and one normally closed contact. blue kf301 terminals to the control line is more convenient. Humidity and temperature.