Add Internet connectivity through Wi-Fi to your Smoke alarm thermometer with Smoke Gateway. Intuitive in-app setup walks you through pairing Smoke Gateway to Smoke base unit, and connecting Smoke Gateway to your Wi-Fi network, to track your cook directly on your smartphone or tablet from anywhere in the world. Plug Smoke Gateway into a wall outlet, or use remotely on battery power, up to 100 hours, before USB charging is required. Holds up to professional BBQ use with molded-in seals and IP65 water-resistant rating. Water Resistance IP65Operating Range32 to 122°F (0 to 50°C)CommunicationRadio frequency (RF) to Smoke, Wi-Fi to wireless routerRFWireless Range Gateway must be within 300-feet line of sight to SmokeRadio Frequency2.4 GhzWi-Fi Range Dependent on the Wi-Fi routerWi-Fi Radio 802.11b/g/n (2.4 Ghz)Battery Lithium rechargeable, about 100 hoursCharging Time About 8 hoursCharger USB cable and US adapterDimensions 4.21 H x 2.05 W x 1.01 D inches (107 H x 52 W x 25.6 D mm)ApprovalsUS (FCC Part 15), Canada (IC), EU (CE - Complies with all relevant directives for Europe), AU/NZ (RCM)