WiFi Temperature & Humidity Data Recorder and Alarm

Temperature Range: -15 to +55°C (+5 to +130°F) Relative Humidity (RH) Range: 0 to 99% (No condensation) Connectivity: 2.4 GHz WiFi + Real-time Instant Broad Cast Alarm Function: Real-time email, text message, and automated phone call alarms to countless recipients Recording Interval: 2 seconds to 30 minutes with a syncing interval of 1 hour to one week (see Technical Specs tab) Power Supply: AA replaceable batteries (last up to 5 years depending on settings) or USB-C external adapter (hybrid)