A 2-channel, compact thermocouple thermometer that can be used either stand-alone or with the REED Smart Series App (available for download on Android and iOS) Displays 2 temperature measurements simultaneously Easy to operate, designed for one-hand operation Integrated display provides flexibility for use without mobile device Magnetic backing allows instrument to be mounted to metallic surfaces Data Hold function User selectable °C, or °F Low battery indicator and auto shut-off Tripod mount for long-term monitoring When used with the Reed Smart Series App, it is a real-time data logger, provides a user-selectable sampling rate from 1 to 120 seconds, and allows you to connect, measure, and data log up to 6 instruments simultaneously When used with the Reed Smart Series App, Bluetooth 5.0 provides connectivity up to 246' (75 m) away Easy setup with automatic app integration for compatible REED Smart Series instruments Export data via Excel or PDF and create custom reports that can be emailed from a mobile device when using the Reed Smart Series app ISO Certificate with full Data and Uncertainties Items with calibration certificates are non-returnable and non-refundable due to the limited validity of the certification Accuracy >-148°F (-100°C): ±0.05% rdg. + 1.8°F (1°C),