Indoor and outdoor monitoring, the product measures the values for indoor, outdoor temperature and humidity sensor, real deadline gives daily health care for you and your family. Accurate lectures and visualized LCD - Large LCD screen for easy and clear readings. Indoor temperature (0 - 60 ), outdoor temperature (-40 - 60 C) and humidity (10% ~ 99%). Temperature and humidity sensor accuracy can achieve 1 C / 5%. Upgrade the data every 60 seconds automatically (approximately 30 minutes for the stabilization of the sensor). Powerful wireless signal - with wireless transmitter that provides a strong wireless signal penetration (433 MHz Frequency). Long transmission distance (30-100 M / 98- '328ft outdoor), signal can be in time and quickly within the transmission distance to receive. Elegant design and simple installation - Designed with wall holder and retractable stand on the back, it can be wall mounted or simply used on table. The layout is compact. With the top you can temperature units easily switch in either Celsius or Fahrenheit. Portable and comfortable - Powered by 2 * AAA batteries (transmitter and receiver, not included). It is popular for baby room, bedroom, basement, warehouse and greenhouse, etc.