1.Dynamically monitor tire pressure on 4 wheels at same time,prevent damage from flat tire,Improve fuel efficiency, prolong tire life span, driving safety.<br> 2.It was designed as a direct tire pressure monitoring system,installing pressure and temperature sensor on the tire, then displaying the real-time data on phone (Android , IOS, ) through Bluetooth connection,<br> 3.During travel, tire pressure and temperature displayed in real time and send alert when statistics' abnormal. For your safety.<br> 4.TPMS supports both Android and iOS, requires Bluetooth 5.0 .<br> <br> Product name: TPMS Bluetooth Tire Pressure Monitor<br> Product style: external sensor<br> Product specifications: 4 rounds<br> Detection range: 0-8.0 Bar<br> Working voltage: 3V<br> Working current: 100A<br> Bluetooth operating frequency: 2.4GHz<br> Bluetooth transmit power: 0dBm MAX<br> Waiting time: less than equal 5s<br> Display mode: mobile APP<br> Waterproof rating: IP67<br> Working humidity: up to 95<br> Tire pressure detection range: 100-1300kPa<br> Tire pressure detection accuracy: 10kPa<br> Tire temperature detection accuracy: 3 Celsius<br> Product battery: replaceable 140mAh CR1632 (external sensor)<br> Battery life: 3~5 years (external sensor)<br> Colour:black<br> Material:ABS plastic<br> <br> Package Contents:<br> 4 x Sensors<br> 4 x Screws<br> 1 x Wrench<br> 1 x English manual<br> <br> Only the above package content, other products are not included.<br> Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.