What's in the box:

1 X LCD Digital Wireless Indoor/Outdoor Thermometer Hygrometer Four-channel ?/? Temperature Humidity Meter with 3 Outdoor Transmitter Comfort Level (White), White

This four-channel temperature humidity meter which can display indoor & 3 outdoor temperature and humidity simultaneously, is great for home use. It is suitable for desktop placing or wall hanging. Large LCD display, you can easily read the data. Accurate measurement for measuring indoor & outdoor temperature and humidity.

Features:
Display four-channel indoor & outdoor temperature and humidity at the same time with ?/? temperature unit for selection.
Adopt wireless technology,you can know 3 outdoor temperature and humidity in indoor receiver.
Record max/min indoor and outdoor temperature and humidity with temperature trend indication.
Alarm function of upper and lower limits of indoor and outdoor temperature and humidity.
Can be placed on the table with a bracket or hung on the wall with a hanging hole.
With 3 portable transmitter to induce 3 outdoor temperature & humidity and transmit within 100m without obstacle.
Temperature humidity meter is powered by 3 * 1.5V AAA batteries or DC 5V, each transmitter is powered by 2 * 1.5V AA batteries.(Not included)

Specifications:
Material: ABS
Color: Silver + White
Display: 121 * 106mm LCD Display
Indoor Temperature Measuring Range: -10~60? / 14~140?
Outdoor Temperature Range: -50~70? / -58~158?
Temperature Accuracy: 1?
Indoor Temperature Humidity Detection Period: testing once 30 seconds
Outdoor Temperature Humidity Detection Period: testing once 57 seconds
Humidity Measuring Range: 20~95%RH
Humidity Accuracy: 5%RH
Function: Indoor/Outdoor Temperature and Humidity, Max & Min Value Display, Comfort Level Display, ?/? Switchable, 3 Separated Transmitter
Battery of 3 Transmitter: Each 2 * 1.5V AA Batteries(Not Included)
Temperature Humidity Meter Power Supply: 3 * 1.5V AAA Batteries or DC 5V (Not Included)
Size of Transmitter: 123 * 45 * 25mm / 5.12 * 1.57 * 0.87in
Temperature Humidity Meter Size: 169 * 163 * 26mm / 6.7 * 6.4 * 1.0in
Transmitter Weight: 56g / 2.0oz
Temperature Humidity Meter Weight: 219g / 7.7oz
Package Size: 17.5 * 17 * 5.8cm / 6.9 * 6.7 * 2.3in
Package Weight: 444g / 15.7oz

Package List:
1 * Temperature & Humidity Meter
3 * Transmitter
1 * User Manual