1. The use of MCU microcontroller processing technology, SMT process manufacturing, anti-RFI, EMI interference;
2. Microcontroller intelligent logic control, filter out all kinds of false positives;
3. With automatic temperature compensation function;
4. Low-power design with unique power-saving mode,
5. 2 section 5 alkaline battery, normal standby time of more than one year;
6. Low-pressure alert and alarm code function.
