... from COM Port, awaken from Air;3. IO attemper function JZ872 have 2 on-off input ports,2 on-off ... the air, control, etc.11. High reliability, small and light Single chip radio - frequency integrated circuit and single chip MCU are used for ... lessened peripheral circuits, high reliability, and low failure rate. 12. Watchdog monitor Watchdog monitors the inner function, it changes the traditional ...