SwitchBot IP65 Bluetooth Indoor Outdoor Hygrometer Thermometer Wireless (3 Pack), Dewpoint/VPD/Absolute Humidity Sensor, 2-Year Battery Life

• IP65 Dustproof/Waterproof, Suitable for Indoors & Outdoors: Bluetooth 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.
• More Sensitive to Temperature & Humidity: With its built-in industrial Swiss Sensirion sensor you can expect more accuracy up to ± 1.8% RH, ± 0.36 ° F, with a faster and more accurate 4sec sampling interval to always monitor the temperature and humidity in your living environment.
• Supports Data Exporting: 100-120 metre connecting distance (no obstacles) allows you to quickly and clearly view the temperature and humidity yearly, monthly, daily, or by the hour. Enjoy up to 68 days On-board Data Storage and up to 2 years In-App Data Storage. Data can be exported as. csv file for more in-depth analysis of your environmental. Supports multiple methods of data calibration.
• Compact and Durable: indoor outdoor thermometer wireless features a simple and compact design, with a lanyard attached to allow you to hang it to just about anything. With its low power consumption design, you can use it for up to two years, and do not need to replace the removable batteries frequently.