["Indoor Outdoor Digital Weather Station Monitor Thermometer Hygrometer Color Alert Alarm with 3 Wireless Transmitter ℃ ℉\n\nFeatures:\nUpper and lower alarm: When the temperature and humidity exceed the set upper and lower line, the receiver will send out the corresponding color alarm\n2 ways power supply: Can use 3*AAA batteries or for DC 5V power supply\nCan hang and stand\nAccurate and reliable\n\nSpecifications:\nWireless specifications: Transmission distance: open distance of 100 meters; effective distance of 30 meters.\nFrequency: 433 MHz\nIndoor temperature range: 0-50℃ (Accuracy: 0~40℃ ±1, 40~50℃ ±1.5), resolution:0.1\nOutdoor temperature range: -50~70℃ (Accuracy -10℃~40℃ ±1, 40~50℃ & -30 ~-10℃ ±1.5, 50~70℃ & -50 ~-30℃ ±2), resolution:0.1\nHumidity: 20%~99%, resolution: 1\nMain unit dimensions: Frame (L × H × for W): 12.5 * 12.5 * 2.5 for cm, LCD (L × for W): 9.5 * 8 for cm\nTransmitter dimensions: Frame (L × H × for W): 10 * 3 * 1.2 for cm, LCD (L × for W): 2 * 1.3 for cm\n\nPackage included: (with box)\n1 * Main Weather Station\n3 * Wireless Transmitter\n1 * Manual (English)\n1 * USB Cable"]