Why is the ProTemp 2 Plus revolutionary? The Thinnest Needle Probe and 40 Hours Probe Battery Life. Smart Temperature Fan Integration for Automation BBQ temperature control. High-Temperature Resistance to 1000°F. Unlimited Range Monitoring with WiFi and Bluetooth Everything You Need in One Thermometer Thinnest Probe & Long Battery Life Smart Fan Integration with Built-in 10,000mAh Battery Patented design for highly accurate internal and ambient temperature monitoring High-Temperature Resistance to 1000°F for Direct Grilling Unlimited Range Monitoring with 2.4GHz Wi-Fi and Bluetooth (Unable to connect to 5GHz Wi-Fi) Multiple-Sensor Technology Water-Resistant Stand for Outdoor Cooking Control Multiple Devices with One App ProTemp 2 Plus Specifications 3 Charging Slots Stand Water-resistant: Level IP55, Probe Waterproof: IP68 10,000 mAh Rechargeable batteries built-in. USB charging. Rain resistant, suitable for outdoor use. Display: Large standalone HD display, Bluetooth & Wi-Fi booster built-in. Probe Specs Probes: 1 probe included, 2 optional probes can be added. Purchase additional probes HERE Probe Waterproof Level: IP68 Probe Size: 4.92×1.10×0.17 inch (125×28×4.55 mm) Diameter: 0.17 inch (4.55mm) Accuracy: ±0.9°F (±0.5°C) Probe Temp Range: 0 °C - 105 °C (32 °F -220°F) Withstands up to 221°F Ambient Temp Range: 50°C -530°C (32°F -1000°F) Withstands up to 1000F (530°C) Material: 316-grade stainless steel App Requirements iOS, version 11 and later Android, version 9.0 and later