Wireless In & Out LCD Thermometer

Keep an eye on the outdoor and indoor temperature with ease. This thermometer is comprised of two parts. An LCD display/receiver to keep inside and a wireless outdoor temperature sensor which transmits the outdoor temperature back to the display. No need to expose the LCD to the elements. Great for monitoring computer server rooms, wine cellars, effectiveness of housing insulation, or for simply wanting to know the differentiation in temperature.   Specifications:   - Indoor temperature range: 0°C to 60°C - Outdoor temperature range: -40°C to 60°C - Display unit requires 2 x AAA batteries - Remote requires 2 x AAA batteries - Transmission frequency: 433.92MHz - Receiver dimensions: 86(H) x 57(W) x 18(D)mm - Sensor dimensions: 68(H) x 50(W) x 21(D)mm