Display Installation Display need to connect the red line ACC to the car power supply, connect the black wire to the power supply the cathode can is normal  Special reminding  No matter air pressure over 6.0Bar(87Psi) or under 4.0Bar(58Psi) the system will also give alarm. When it is quick or slow air leakage, it will alarm.  Sensor Parameter ：  Working frequency: FSK 433.92MHZ ± 30KHZ  Working voltage: 2.2-3.0V  Working current: 1.5mA ± 30%  Working Temperature:(-40℃～+85℃)  Monitoring scope pressure: 0-9.9Bar  Precision pressure: ±0.1Bar  Display Parameter ：  Working frequency: FSK 433.92MHZ ± 30KHZ  Working voltage: 12-24V  Working current: 70mA ± 30%  Working Temperature:(-20℃～+70℃)
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