Check the listing for details. MTI FREEDOM CORE II POWER/SCREAMER SENSOR. Condition: Used. Listed at 29.99 USD. Elevate your peace of mind with the MTI Freedom Core II Power/Screamer Sensor, a robust solution for secure environments. Designed with reliability in mind, this sensor is an integral component of MTI's commitment to providing top-tier safety measures. The sleek and durable construction ensures it can operate seamlessly in a variety of settings, from personal spaces to large facilities. With its easy installation process, the MTI Freedom Core II is not just an alarm but a statement of security. Its compatibility with a range of systems allows for a customizable experience, ensuring that your specific safety needs are met with precision and efficiency. Keep your space protected with this advanced technology from MTI, a name synonymous with quality and innovation.