Features Preferred Materials: The humidity thermometer is made of high-quality materials to ensure durability and practicality. High precision: The temperature measurement range is -50~70°C, the measurement error is ±1°C, the resolution is 0.1°C, and the humidity range is 10%~99%RH. Mini size: External temperature and humidity probe. An external temperature and humidity probe can test the temperature of another closed environment. Clear display: The screen displays real-time temperature and humidity, and the clear digital display is easy to read. Quick Response: This humidity thermometer is accurate, portable, durable and has a long lifespan. Feature: Preferred Materials: The humidity thermometer is made of high-quality materials to ensure durability and practicality. High precision: The temperature measurement range is -50~70°C, the measurement error is ±1°C, the resolution is 0.1°C, and the humidity range is 10%~99%RH. Mini size: External temperature and humidity probe. An external temperature and humidity probe can test the temperature of another closed environment. Clear display: The screen displays real-time temperature and humidity, and the clear digital display is easy to read. Quick Response: This humidity thermometer is accurate, portable, durable and has a long lifespan. Specification: Item Type: Humidity Temperature Gauge Model: DTH-74 Temperature Measurement Range: -50~70℃ Measurement Error: ±1℃ Resolution: 0.1℃ Humidity Range: 10%-99%RH Battery Information: 1 x 1.5V 600mAh AAA dry battery(not included) Package List:1 x Humidity Temperature Gauge Note:The probe has a suction cup that can be attached to smooth objects that need to be measured. Package List 1 x Humidity Temperature Gauge