Rees Scientific provides a continuous environmental monitoring system for vaccines and medications designed to comply with CDC, USP <797>, USP <800>, and FDA standards. The system can monitor the temperature of refrigerators, freezers, and ultra-low freezers from +1300°C to -196°C. It monitors critical equipment and parameters such as temperature, humidity, differential pressure, and more. Notifications are provided via interactive phone, text, and email. The system is available as wired, Zigbee wireless, WiFi, or a hybrid of all.