FireBoard® Spark is a highly accurate and fast instant-read thermometer, combined with a leave-in probe port for longer term temperature tracking. Pairing your Spark with the FireBoard Mobile App keeps your temperature data available remotely everywhere you go. WiFi, Bluetooth, and FireBoard Cloud Connected. SyncModeTM is a powerful mode to track other FireBoard devices using Spark as a display. This powerful feature uses the FireBoard Cloud to transform Spark into a beautiful countertop device, making all your FireBoard temperatures available at a glance.