ThermoPeanut Smart Bluetooth Thermometer Use ThermoPeanut to measure temperature in your bedroom, fridge, basement, on the go, camping Online mode: ThermoPeanut connects your iOS/Android phone using Bluetooth Smart (limited range) Offline mode: ThermoPeanut stores data when you're away. Up to 15 days Remote mode: Set up a home hub, using your wi-fi connected tablet, to get real-time alerts (unlimited range) Alarms and history features available Works with Nest thermostats to improve energy efficiency Compatible with IFTTT to trigger tons of actions