Feature:1. [Industrial Temperature Humidity Meter] Industrial chip \u0026 industrial shielded cable \u0026 industrial anti-interference \u0026 industrial Swiss probe, more professional and precise real-time detecting performance.2. [HD Display] 1.8\" high definition large display screen with backlight, easier and clearer to read values.3. [Temperature Measurement] The measurement range of -20 ~ 80, the resolution of 0.1, the measurement accuracy of 1.0.4. [Humidity Measurement] The measurement range of 0~100%RH, the resolution of 0.1%RH (0~99) and 1%RH (100), and the measurement accuracy of 4%RH.5. [Upper \u0026 Lower Limit Alarm Setting] Real-time detecting environmental temperature and humidity. When it exceeds the set value, the tester will give a sound and light alarm. At the same time, you can set the alarm duration.6. [External Alarm Output] Capable of connecting an external alarm by 3.5mm earphone plug.7. [Back Hidden Contraction Bracket] Equipped with a bracket on the back, more convenient to place.8. [Various Fixation Methods] Wall hanging, Hanging, hidden bracket support, tripod support, meeting different placement needs of users.9. [Wide Applications] Suitable for home, office, workshop, outdoors, cinema and other places.Specification:Features:[Industrial Temperature Humidity Meter] Industrial chip & industrial shielded cable & industrial anti-interference & industrial Swiss probe, more professional and precise real-time detecting performance.[HD Display] 1.8" high definition large display screen with backlight, easier and clearer to read values.[Temperature Measurement] The measurement range of -4°F~176°F, the resolution of 0.1°F, the measurement accuracy of ±2°F.[Humidity Measurement] The measurement range of 0~100%RH, the resolution of 0.1%RH (0~99) and 1%RH (100), and the measurement accuracy of ± 4%RH.[Upper & Lower Limit Alarm Setting] Real-time detecting environmental temperature and humidity. When it exceeds the set value, the tester will give a sound and light alarm. At the same time, you can set the alarm duration.[External Alarm Output] Capable of connecting an external alarm by 3.5mm earphone plug.[Back Hidden Contraction Bracket] Equipped with a bracket on the back, more convenient to place.[Various Fixation Methods] Wall hanging, Hanging, hidden bracket support, tripod support, meeting different placement needs of users.[Wide Applications] Suitable for home, office, workshop, outdoors, cinema and other places.Specifications:Material: ABSColor: BlackPower Supply: 220 AC input, output 5V 1A adapterDisplay Mode: 1.8" single character digital tube displayTemperature Measurement Range: -4°F~176°FTemperature Resolution: 0.1°FTemperature Measurement Accuracy: ±2°FHumidity Measurement Range: 0~100%RHHumidity Resolution: 0.1%RH(0~99); 1%RH(100)Humidity Measurement Accuracy: ±4%RHTemperature Alarm Setting Range: Hi: -2°F~176°F; Low: -4°F~174°FHumidity Alarm Setting Range: Hi: 2~99%RH; Low: 1~98%RHSampling Rate: About 3 times per secondAlarm Duration Setting Range: 6~120 seconds (cycle addition or subtraction) (factory default 6 seconds)Working Temperature: -4°F~140°F (working time should not be more than 10 minutes at 140°F~176°F)Item Size: Approx. 32.3*16.3*3.8cm / 12.72*6.42*1.5inItem Weight: Approx. 673g / 23.74ozPackage Size: Approx. 40*23*7.8cm / 15.75*9.06*3.07inPackage Weight: Approx. 1056g / 37.25ozNote:Please read the Users Manual before use.Packing List:1 * Temperature and Humidity Meter2 * Removable Back Support2 * Screw1 * USB Charging Cable1 * Users Manual(English)Package List:1 * Temperature and Humidity Meter2 * Removable Back Support2 * Screw1 * USB Charging Cable1 * Users Manual(English)