Sameuo TPMS sensor TPMS Car Tire Preure Alarm Monitor System with 4 external sensor Features: 1.High accuracy, Using INFINEON imported chip 2.Easy installation; 3.Environmental protection solar cells(650mAh); 4.Air preure alarm; 5.Air leakage alarm, prevent tires from bursting; 6.Real-time monitoring tire preure and temperature; 7.Sensor accurate wirele transmiion; 8.Simple user interface; 9.Anti-theft nuts. 10.Battery life of about 10years. NOTE:The machines have 2 types, with LOGO type and without LOGO type, we will send randomly. If you have specific requirement about the machine with LOGO or without LOGO, please leave meage to us, we will send to you accordingly. Product Description 1.Solar TPMS is in the ordinary TPMS (tire preure monitoring system) based on a flight-type upgrade, with features: real-time monitoring tire preure, tire temperature, permanent life! 2.Thus solving the general TPMS (tire preure monitoring system) repeated charging, occupying the cigarette mouth, occupy a series of DVD display and other deficiencies! 3.The composition of the solar TPMS is the same as that of the ordinary TPMS (tire preure monitoring system), which is composed of a solar TFT screen receiving display and four preure sensors / emitters. 4.As the generous power generation panel long life, to provide at any time charging, so that the reception of the monitor power storage more robust and lasting; 5.even in the absence of sunshine in the dark environment, rain and snow weather conditions can still serve more than 15 days, 6.There are USB charger interface, dual charging system device to ensure that the machine really permanent life. Specification: *Display: LCD color screen *Sensor Battery life: 240 Month *Product size: 11 x 8.5x 7.5cm *Packing size: 21 x 15 x 6cm *Package weight: 515g *Operating Voltage: 3.7V-5V *Operating temperature: -20--75 *Adapt to temperature: -30--80 *Bright operating current: *Black Operating Current: *RF Transmit frequency: 433.92MHz 50KHz *RF Operating Current: -90dbm *Material Type: Plastic+Solar energy Sameuo 2020 New Arrival TPMS: A: It is Tire Preure Monitoring System and also call Tire Preure Sensor. Make alarm and show car tires' preure and temperature. Q: How to install sensors? A: We suggest to install the build-in sensors by profeional car center; external one install can read our page and manual for reference. Q: Does the solar charging work for cloudy day? A: Yes. Normally, full solar charging can work for 3 days and it can work in cloudy and fog days. Q: Can it work in snow day? A: Yes. If the TPMS show "N5 Alarm", Please don't worry and just drive the car for a distance make tires moving. It will be ok. The external sensors will be affected by cold environment, just need to running cars. Q: Does it need to connect car cigarette lighter for charging? A: No. Normally it will charge by solar, but if you meet a very bad weather for a long time or need urgent charge, you can use the USB for charge. (USB not included) Q: Does it need to turn on/off the TPMS? A: No. It will turn on by shock boot and turn off if there is no shock for 10 minutes.