Emos Wireless Thermometer 4xAAA

Temperature range outside is from -40°С to +60°С, indoors from 0°С to +60°С.
Wireless sensor range up to 100 m, frequency 433 MHz
Display size 34x39 mm
Receiver size 18×56×85 mm.
Sensor size 20×49×68 mm
Powered by 2 x 1.5V AAA batteries (not included).