Digital Thermometer Hygrometer Meter High-precision Temperature Humidity Monitor Black

• --Celsius-Fahrenheit switchable: Press the C/F button to switch between Celsius and Fahrenheit.
• --Suitable for your house, office, factory, restaurant, warehouse baby room, etc.
• --Measurement range: Indoor temperature (0-60 °C); Outdoor temperature (-50-70 °C); Humidity (20%-99%). Temperature and Humidity Accuracy: ± 1 ° C/± 5% ;
• --2 mounting options: You can put it on the table or hang it on the wall.

Features:
1. [3 Wireless Transmitting Sensors] These 3 remote sensors can be placed in three different places, either indoors or outdoors. Detects rapidly changing temperature and humidity. Signal distance is 100 meters/328 feet (open area).
2. [Large Backlit LCD Display] Large LCD display, easy and clear reading. You can turn on the backlight. This helps you read the data clearly, even in the dark.
3. The main unit needs 3 x AAA batteries, and each handset needs 2 x AAA batteries (not included).

Description:
Name: Thermometer Hygrometer Meter 

Material: ABS
Use battery: 9pcs AAA batteries (battery not included)
Size: main unit 12.5x12.5x2cm, sub unit 5x3.7x10.5cm
Color: black, white
Indoor temperature measurement range: 0-50 (℃)
Outdoor temperature measurement range: -50-70 (℃)
Temperature resolution: 0.1 (℃)
Humidity measurement range: 20-99 (RH)
Humidity Resolution: 1 (RH)
Temperature measurement error: ±1 (℃)
Humidity measurement error: ±5 (RH)

Packing list:
1pc main unit+3pcs sub unit
Note:
Different displays may cause the color of the item in the picture a little different from the real thing. 
Manual measuring,please allow 1~3mm error,thank you.