Product features: DIY type pressure monitoring system Digital display Vehicle-class lithium button cell, ensure the reliability of product External sensor(include battery) Easy to install Suitable for all passenger cars, trucks and buses Alarm functions: Low-pressure alarm issued when tire pressure is 75% lower than the standard pressure High-pressure alarm issued when tire pressure is 125% higher than the standard pressure Fast leak alarm issued when the pressure inside the tire reduce continuously No signal alarm issued when the control unit has not received any signal from sensor for 10 minutes Low-battery alarm issued when the sensor is under low-battery Other functions: ID self-pairing function Power nap function of control unit Setting function of standard pressure Technical parameters: Control unit Nominal voltage: 12V RF mid-frequency: 433.92MHz RF receiving precision: better than 100dBm Operating temperatures: -20~70 entigrade Sensor unit Operating voltages: 2.1 to 3.6V Quiescent current: <0.001mA Emission current: <13mA Current sampling: <2.5mA Transmitting power: 6dBm Mid-frequency: 433.92MHz Weight: <12g (external)? ???????? package list ????????????? sensor????? 4???? ????????????? control unit(include cigar lighter)???????1 ????????????? manual????? 1? ??????????????tool for installation???? 1 ????????????? anti-disassembling nut??? 4
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