Newest Version TPMS Car Tire Preure Alarm System Auto Alarm Syst Tyre Preure Temperature WarningNotice: Please push left on over 3 minitus to turn on , if it does not work, please try again ar charging.When you receive the package and turn on the receiver, the receiver displays "--" or "00", please don't worry.You only need to mount the r on the tire, wait for about 1 minute, and you will see the display shows the preure and temperature of the tire.Features:1: Anti-theft nuts;Easy installation;2: High and low preure, leak alarm;3: r accurate wirele nsmiion;4: Envmental protection solar cells;5: LCD display screen, Simple r interface;6: Air leakage alarm, prevent tires from bursting;7: High accuracy, Using Freescale ed s;8: Real-time ing tire preure and temperature;Specification:Display: LCD color screenr Battery life: ≥2 years (Repable)Packing size: 21 x 15 x 6cm (8.3 x 6 x 2.4 in)Package weight: 375gOperating Voltage: 3.7V-5VOperating temperature: -20℃--75℃Adapt to temperature: -30℃--80 ℃RF nsmit frequency: 433.92MHz ± 50KHzRF Operating Current: -90dbmMaterial Type: Plastic+Solar energyPackage Contents1 x Display screen, 4 x r;1 x English Instruction Manual, 1 x Plastic Cover;1 x USB Cable, 4 x Screw Ring, 1 x Plastic Ring.Match r(charging/vent):pre "menu key" 3 seconds to "U/S",then short pre "menu key" several times to enter"LID" interface,it shows ID of four tires and car icon.Short pre "left/right select key" to learn ID opertion.Select tire you pto learn ID of r by pre"menu key",default setting is "FL">"FR">"RR">"RL.When tire is selected,display new "ID" in receiver ar active r's ID(internal r active by charging/vent tier,externsl r active by repeat installation).Do the same operation to match other three r.When all r are matched,short pre "menu key" to save and go to "Ex".Product descrtion:Solar TPMS is in the ordinary TPMS (tire preure ing system) based on a flight-type upgrade, with features: real-time ing tire preure, tire temperature, permanent life! Thus soing the general TPMS (tire preure ing system) repeated charging, occupying the mouth, occupy a series of DVD display and other deficiencies!The composition of the solar TPMS is the same as that of the ordinary TPMS (tire preure ing system), which is composed of a solar TFT screen receiving display and four preure rs / emitters. As the generous power generation panel life, to provide at any time charging, so that the reception of the power storage more robust and lasting; even in the absence of sunshine in the dark envment, 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 hine really permanent life.How to change External Tpms battery