• Built-in temperature sensor only, stores max 30,000 points of data on the device. Measure temperature -40F~140F.Powered by 2 AAA batteries(NOT included)
• Graph, accuracy calibrating, high/low-temperature alarm notification, data export, and the sampling interval set are supported via app
• Maximum range of 98ft(without obstacle) via Bluetooth connection.Please note that IBS-TH2 is not compatible with the gateway (IBS-M1)
• Waterproof IPX4 makes this thermometer ideal for a freezer or refrigerator. Built-in magnet, this sensor could be attached to the metal without glue or nails.
• Smart thermometer supports connected to multiple phones and reading multiple sensors with one cellphone

Brand new, still in sealed box.