WeGrill One with 1 probe and free APP. WeGrill One cooking thermometer is an intuitive app-enabled thermometer with connections for 2 probes, the essential gadget for barbecuing, oven roasting, making caramel and cooking other temperature sensitive dishes Simply connect the WeGrill App on your Android or IOS smartphone via Bluetooth 4.0 BLE, and you know exactly how your cooking is progressing, and when to take your meat off the grill. WeGrill One has two connections for probes. It comes with one probe, and extra probes can be bought separately.- 2 Probe connections- Free APP available in Apple Appstore and Google Play- Requires a smart device with support for Bluetooth 4.0 BLE- Please note: Does not work with Android8 !