SwitchBot IP65 Indoor Outdoor Hygrometer Thermometer Wireless 2Packs, 100m Bluetooth Range, Refrigerator Thermometer, Dewpoint/VPD/Absolute Humidity Sensor, 2 Year Battery Life, Free Data Storage

IP65 Dustproof/Waterproof, Suitable for Indoors & Outdoors: Outdoor Thermometer is IP65 dustproof and waterproof and can work safely even on rainy days. They're easy to use, lightweight, and portable. Perfect for kitchens, bathrooms, greenhouses, refrigerators, guitar cases, humidors, attics, basements and crawlspaces.