Tenky Digtal Wireless Temperature &amp; Humidity Sensor 8 Channels 433 MHz Indoor/outdoor / Switch Intelligent Weather Station<br>Description:<br><br><br>Shell Material: ABS<br><br>Color: Black<br><br>Indoor Temperature Range: 0~60&deg;C<br><br>Outdoor Temperature Range: -40~60&deg;C<br><br>Accuracy: &plusmn;1&deg;C<br><br>Wireless transmission (outdoor): 100 meters, 30 meters under most condition<br><br>Frequency: 433 MHz<br><br>Channel: 8 channels<br><br>Refresh Rate: 60 seconds<br><br>Transmitter Battery: 2 x 1.5V AAA batteries (not included)<br><br>Receiver Battery: 2 x 1.5V AAA batteries (not included)<br><br>Transmitter Size: 6.5x5x2cm<br><br>Receiver Size: 12x7.5x1.5cm<br><br><br>Specifications:<br><br><br>1.Can be placed on the table or hung on the wall.<br><br>2.Display indoor/outdoor temperature and Indoor humidity at the same time. &deg;C/&deg;F temperature unit for selection.<br><br>3.Record max/min indoor and outdoor temperature. note: The maximum and minimum values will be automatically cleared within 24 hours.<br><br>4.Adopt wireless technology,you can know outdoor temperature in indoor receiver. It has 8 channels for remote sensors, and you can add multiple channels to monitor up to 8 but positions. Additional remote sensors are sold separately.<br><br>5.With 1pcs portable transmitter to sensor outdoor temperature and transmit within 100m without obstacle. Powered by 2 1.5V AAA batteries(Not included).<br><br><br>Package Included:<br><br><br>1 x Thermometer<br><br>1 x Base Station<br><br>1 x User Manual<br><br><br><br>