How to choose quantity: Click “Add to cart”or "Buy Now" button - color family - choose your preferred color. If there's no choice, then only the purchasable color is available.
Descriptions:
Temperature range: -20-60 ° C (-4-140 ° F)
Humidity range: 0-99% RH
Power source: Replacable CR2477 battery(Included)
Package includes:
1 x Bluetooth Hygrometer Thermometer (If you order 2 Pcs set, you will receive 2 pcs)
1 x English User Manual
Note:The distance between mobile phones and the sensor is about 50 meters withoutbarriers in the middle.
Upgraded version:
