The data logger display interfaces includes: temperature status display, humidity status display, record capacity display, time display, date display, Max. temperature display, Min. temperature display, Max. humidity display, Min. humidity display. Dual Measurement Flexibility: Features an internal temperature-humidity sensor and an external temperature sensor, enabling versatile monitoring options. Capable of recording up to 16,000 temperature points and 16,000 humidity points, this data logger is essential for precise environmental control. Reliable Alerts with Audible and Visual Alarms: Set up to four thresholds for temperature and humidity to maintain critical conditions. The device alerts with both an audible buzzer and visual indications on the LCD screen, safeguarding sensitive contents against environmental threats. Enhanced LCD Display: The powerful LCD screen displays vital statistics including current temperature and humidity levels, alarm status, and historical data in both Celsius and Fahrenheit. This feature allows for immediate overview and detailed monitoring of environmental conditions. Model:RC-4HC Temperature measuring range:-30-+60; external sensor(cable length 1.1m), -40-+85 Temperature accuracy: -20-+50, 0.6; others, 1.0 Humidity measuring range: 0-99%RH Humidity accuracy: 3%RH(25,20-90%RH), others,5%RH Resolution: Temperature 0.1;Humidity 0.1%RH Record capacity: RC-4HC 16000points(MAX) Record interval: 10s-24hour adjustable Communication interface: USB interface Please note:the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:White Material:Plastic Package Contents: 1 * Digital Temperature Humidity Logger Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.