Product Description?Tire Pressure Monitoring System TP801IntroductionTire pressure monitoring system TP801? is ?designed to monitor the air pressure inside the pneumatic tires on various types of vehicles.The driver can have real-time tire pressure information on the display, which will help to reduce driving riskes, improve fuel economy and prolong lifetime of tires greatly.Features·Direct car TPMS tire pressure monitoring system·＜o:p＞External valve cap sensors for easy installation·Cigarette plug LCD display·Real-time monitoring the pressure and temperature·Low air pressure/high temperature warning·Visual and audible warning for abnormal tire pressure and temperature·Long life battery (＞2 years or ＞30,000 Kms)·Wireless data transittimg and anti-interference·Set up sensor: learn new sensor ID code when replace sensorParameters·Working frequency: 433.92MHz·Working voltage: 2.0V ~ 3.6V·Wotking temperature: ?-30°C ~ 120°C·Humidity: 0% ~ 100%·Sensor battery life: 2 years/30,000 kms·Pressure range: 1 Bar ~ 4.5 Bar·Pressure reading: ± 0.1 Bar·Air pressure unit: 1 Bar = 14.5 Psi = 100K Pa = 1.02 Kgf/cm2
http://www.jieniao.vip.seo.com.cn/fleet-management-sensor/tpms/internal-tire-pressure-sensor.html