Newest CarSolar CarVehicle Sensors Tire Pressure Monitoring System LCD Clock Time Display Auto Tyre Temperature Alarm for safety Notice: Please push left button over 3 minitus to turn on monitor, if it does not work, please try again after charging. When you receive the package and turn on the receiver, the receiver displays -- or 00, please dont worry. You only need to mount the on the tire, wait for about 1 minute, and you will see the display shows the pressure and temperature of the tire. Features: 1: Anti-theft nuts;Easy installation; 2: High and low pressure, leak alarm; 3: accurate wireless transmission; 4: Environmental protection solar cells; 5: LCD display screen, Simple user interface; 6: Air leakage alarm, prevent tires from bursting; 7: High accuracy, Using Freescale imported chips; 8: Real-time monitoring Vehicle Sensors Tire Pressure and temperature; Specification: Display: LCD color screen Battery life: 2 years (Replaceable) Packing size: 21 x 15 x 6cm (8.3 x 6 x 2.4 in) Package weight: 375g Operating Voltage: 3.7V-5V Operating temperature: -20--75 Adapt to temperature: -30--80 RF Transmit frequency: 433.92MHz 50KHz RF Operating Current: -90dbm Material Type: Plastic+Solar energy Package Contents 1 x Display screen, 4 x ; 1 x English Instruction Manual, 1 x Plastic Cover; 1 x USB Cable, 4 x Screw Ring, 1 x Plastic Ring. Match (charging/vent): Long press menu key 3 seconds to U/S,then short press menu key several times to enterLID interface,it shows ID of four tires and car icon.Short press left/right select key to learn ID opertion.Select tire you plan to learn ID of by pressmenu key,default setting is FLFRRRRL.When tire is selected,display new ID in receiver after active s ID(internal active by charging/vent tier,externsl active by repeat installation).Do the same operation to match other three .When all are matched,short press menu key to save and go to Ex. Product description: Solaris in the ordinary (Vehicle Sensors Tire Pressure monitoring system) based on a flight-type upgrade, with features: real-time monitoring Vehicle Sensors Tire Pressure, tire temperature, permanent life! Thus solving the general(Vehicle Sensors Tire Pressure monitoring system) repeated charging, occupying the cigarette mouth, occupy a series of DVD display and other deficiencies! The composition of the solaris the same as that of the ordinary(Vehicle Sensors Tire Pressure monitoring system), which is composed of a solar TFT screen receiving display and four pressure s / emitters. 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; even in the absence of sunshine in the dark environment, rain and snow weather conditions can still serve more than 15 days, There are USB charger interface, dual charging system device to ensure that the machine really permanent life. How to change Externalbattery Q: What is TPMS? A: It is Vehicle Sensors Tire Pressure Monitoring System and also call Vehicle Sensors Tire Pressure . Make alarm and show car tires pressure and temperature. Q: How long the battery can use? A: Build-in : 5 years; external : 3 years. We will offer all our customers free replace battery, and buyers only need to pay about 3-4$ for cost. Q: How to install s? A: We suggest to install the build-in s by professional 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 theshow N5 Alarm, Please dont worry and just drive the car for a distance make tires moving. It will be ok. The external s 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 with 4pcs External s With 4pcs Internal s