Honmofun Mini Digital Thermometer Indoor Outdoor Thermometer Digital Candy Thermometer Instant Read Thermometer Medical Thermometer Barometer Thermometer Hygrometer Electronic Hygrometer USAGE  LCD displays humidity measurement values. Embedded installation. Measuring Range: Temperature ( -20 Celsius to 70 Celsius); Humidity ( 10% RH to 99% RH ) Measurement accuracy: Temperature: 1 Degree Celsius; Humidity 1% RH. FEATURES  LCD displays humidity measurement values. Embedded installation. Power Supply: 1.5V LR44; Weight: 25g; Power supply: 1.5V LR44; Machine Dimension : 4.8 cm x 2.9 cm 1.5 cm ( 1.89 in x 1.14 in x 0.59 in ) SAFETY  Lead Free and BPA Free. Complied with US FDA as well as European LFGB. DELIVERY  Ship within 19 hours through Post. Post Office said you'll receive it in 9-20 workdays. Produced by professional factory Honmofun. Shipped by Honmofun Directly. FULL REFUND  Full refund guaranteed. If dissatisfied, please contact us.