Home Wireless Indoor and Outdoor Weather Thermometer - White One by one

Features:
Automatically and simultaneous display indoor and 1 / 2 outdoor temperature.
Max and min indoor and 1 / 2 outdoor temperature display with manual clearing of the max/min value.
Temperature alert setting and automatic high/low temperature alarm function with temperature trend.
Large LCD display, easy to read.
Up to 1 / 2 outdoor transmitters receivable ( 1 / 2 outdoor sensors are included ).
Temperature can be displayed in Celsius ( Deg.C ) or Fahrenheit ( Deg.F ).
With back stand, hanging hole and magnetic stick at back side, convenient to place or hang.
Perfect digital thermometer for fish tank and aquarium.

Specifications:
Material: ABS Plastic
Display: LCD Screen
Screen Size: 53 x 60.6mm / 2.09 x 2.60 inch
Indoor Temperature Range: 0 Deg.C - 50 Deg.C ( 32 Deg.F - 122 Deg.F )
Outdoor Temperature Range: -40 Deg.C - 60 Deg.C  ( -40 Deg.F - 140 Deg.F )
Testing Period: 10s
Temperature Accuracy: +/- 1 Deg.C ( 1.8 Deg.F )
Temperature Resolution: 0.1 Deg.C ( 0.2 Deg.F )
Thermometer Battery: 2 * 1.5V AAA Battery ( NOT Included )
Outdoor Transmitter Battery: 2 * 1.5V AA Batteries ( NOT included ) 
Transmitter Size: 38 * 105 * 35mm / 1.50 * 4.13 * 1.38 inch
Thermometer Size: 98 * 85 * 22mm / 3.86 * 3.35 * 0.87 inch