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: ReplacableCR2032 battery(Included);
Package includes:
1 x Bluetooth Hygrometer Thermometer（if you order 2 pcs set, you will get 2 pcs）
1 x English User Manual
Note:The distance between mobile phones and the sensor is about 50 meters without barriers in the middle.
