2PCS Smart Keyring Thermometer, for fridge, cigar, musical instrument, home interior, baby, wireless, hygrometer

Accurate measurements and real-time monitoring – Temperature range from -20 to 65°C, humidity from 0 to 100% RH with high accuracy (+/- 0.5°C, +/- 5% RH).

Automatic updates every second for reliable data. User-friendly app – The Sensor Bleu app allows you to easily monitor temperature and humidity via Bluetooth, view minimum and maximum values, and export data in CSV format.

Stable Bluetooth 5.0 connection – Stable range up to 20 m without obstacles; Easy pairing of multiple sensors with the app for simplified management.

Wide compatibility and versatile use – Compatible with Android 4.3+ and iOS 4s+, ideal for wine cellars, living rooms, children's rooms, and the home.

The app supports up to 100 sensors simultaneously. Easy installation and compact design – Lightweight, energy-efficient, and easy to install. The app provides visual alerts for critical temperature or humidity levels.