FREE SHIPPING The FireBoard Pulse is a dual-band wireless temperature probe that uses Bluetooth and S1G technology to stream temperature data to the FireBoard cloud, accessible from the FireBoard mobile app. Pulse connects to the FireBoard 2 series, the FireBoard Spark, Yoder Smokers, and smartphones using Bluetooth. Monitor internal and external temperatures in real-time from anywhere by connecting the Pulse to the FireBoard Mobile app—no wires needed. The Pulse is the only wireless thermometer with a hexagonal chisel tip, designed for easy insertion and to minimize the size of the opening it leaves. Specifications: Probe Tube Dimensions: 0.19″ W x 0.23″ H (4.75 mm W x 5.76 mm H) Probe Weight: 0.9oz Probe Material: Stainless steel and zirconia casing Overall Length: 5.87 inches (149mm) Minimum Insertion Depth: 2.76 inches (70 mm) Internal Sensor Specifications: Temperature Range: 14°F to 212°F (-10°C to 100°C) Accuracy: ±0.4°F (±0.2°C) External Sensor Specifications: Temperature Range: Stainless Steel Version: 32°F to 662°F (0°C to 350°C) Color Versions: 32°F to 572°F (0°C to 300°C) Accuracy: ±1°F (±0.6°C) up to 302°F (150°C) Searing Max: 806°F (430°C) for 3.5 mins Minimum Connectivity Range: S1G (Line-of-sight): ≥1,400 ft S1G (Obstructed): ≥150 ft Bluetooth (Line-of-sight): ≥250 ft Bluetooth (Obstructed): ≥30 ft Radio Type & Frequency: S1G (900 MHz / 868 MHz EU) Bluetooth 5.3 (2.5 GHz) Water Resistance: IP67 rated for protection against water and dust Battery Life: Approx. 24 hours of continuous use Charging Time: 10 minutes for a full charge using included stackable charger