No Touch Exit Button,An Infrared Sensor Switch

An infrared sensor switch used in access control systems to open doors without physical contact. It has dimensions of 86 x 86 x 25-28mm. When in standby mode, the button is blue, and when activated by infrared light, it turns red and triggers the door to open. Power supply: Usually 12V DC. Common (COM): The reference point for the circuit. Normally Open (NO): The circuit is open in the idle state and closes when the button is activated. Normally Closed (NC): The circuit is closed in the idle state and opens when the button is activated.