Dynamic monitoring tire pressure to prevent puncture and runflat.<br />Improve fuel efficiency, extend tire life, increase traffic safety and avoid abnormal wear of vehicle parts.<br />Connect the product through phone bluetooth, and dowload the APP to control the product and check tire state. <br />The product has gotten Apple MFi certification, you can download and install Apple's application freely.<br />DIY product with external sensor, quick and easy to installation!<br />DO YOU KNOW……<br />20% under-inflation reduces tire lifetime by 30%;<br />30% over-inflation reduces tire lifetime by 45%;<br />30% pressure lower looks like proper inflated tire<br />So, you need a TPMS (Tire Pressure Monitoring System) to monitor your tire situation, warn abnormal tire pressure early, reduce the failure rate and the risk of accidents, improve fuel efficiency, extend tire life and increase traffic safety.<br /><br />Model: TPMS-8886<br />Metarial: ABS<br />Color: Black<br />Receiver: high about 50mm and  diameter about 33mm<br />Sensor:  high about 16mm and  diameter about 23mm<br />Receiver parameters:<br />Operating frequency: 433.92MHz-±0.05MH<br />Operating voltage: 12 ± 3V<br />Operating temperature: -20℃〜+85℃/-4℉〜+185℉<br />Operating  Current:≤50mA<br />Quiescent Current: ≤8mA<br />Sensor parameters:<br />Operating frequency: 433.92MHz-±0.05MHz<br />Operating voltage: 1.8〜3.3V<br />Sensor battery:  CR1632 (not included)<br />Support equipment: Android 2.3 and above, iPhone (2GS above), iPad, ipod, etc. <br />APP supports languages English, Russian, Spanish and Korean,Chinese.<br />APP installation: Android's users can search for "Steelmate TPMS" on the Google play and download and install it, ISO Users can search for "Steelmate TPMS" in the APP store to download and install.<br />See instructions for manual!<br /><br />1x Receiver<br />4x Sensors<br />2x Clamp keepers<br />1x Hexagon nut spanner <br />5x Hexagon nuts<br />4x Waterproof rubber rings<br />1x English manual<br />Original box packaging!<br /><img src="http://img6.eachbuyer.com/x9/p100/cq755_5.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cq755_6.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cq755_7.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cq755_8.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cq755_9.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cq755_10.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cq755_11.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cq755_12.jpg" />