Introducing the Santaclara Ozone Gas Detector, a reliable and efficient tool designed to detect ozone gas levels in the air. This digital gas detector is equipped with a 0-5ppm sound alarm, making it easy to alert users when the gas levels are above the normal range. The MHK-OZ5 model is a fixed gas detector/transmitter that is powered by 3-aa batteries, making it easy to use and maintain. The Santacary brand has a reputation for producing high-quality products, and this Ozone Gas Detector is no exception. The shell material is made of plastic, which is durable and long-lasting. This gas detector is perfect for use in various industries, including business and industrial settings. The California Prop 65 Warning applies to this product, and users are advised to take necessary precautions when using it.