A professional production of degrees of temperature and humidity recorder manufacturers are now developed a series of "real-time monitoring of temperature and humidity recorder," bring their own mini-printers, automatic data printing, they are free to set the time and the number of print; external power supply can also be battery Power Supply (5 batteries); the police have a function, when the temperature exceeded the limit prompted alarm. This product is widely used in medicine, food, cold storage, transport, cold storage and other fields, and has been very high marks from customers. Functional and practical products, excellent quality and price concessions. Beijing has been made in measuring and testing the calibration certificate Academy of Sciences. For more welcome friends from all walks of life!