Wireless thermometer                                        
• Measuring range indoors:Temperature -10°C~+60°C(14°F~140°F) ;
• Measuring range outdoors:Temperature -40°C~+70°C(-40°F~158°F);
• Accury:Temperature +/-1°C(2°F) between 0°C to 50°C,otherwise +/-2°C(4°F);
• Power Consumption:Receiver 2 X 1,5V AAA(not include),Transmitter 2 X 1,5V AAA;
• Transmission distance: 60m in free field;
• Transmission frequency:433MHZ;
• Transmission time: CH1:50 seconds CH2:53 seconds CH3:56 seconds;
• Low battery index:2.6V;
• Maximum and minimum temperature display;