Motor Vehicle Sensors Orignal Car Bluetooth 5.0 TPMS Monitor Alarm System Tire Pressure Sensor For Andriod IOS Waterproof Car Accessories 1.Dynamically monitor tire pressure on 4 wheels at same time,prevent damage from flat tire,Improve fuel efficiency, prolong tire life span, ensure driving safety. 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, IPad) through Bluetooth connection, 3.During travel, tire pressure and temperature displayed in real time and send alert when statistics abnormal. For your safety. 4.TPMS supports both Android and iOS, requires Bluetooth 5.0 . -External Type Sensor Specifications: Processor:ARM M0 Working Voltage :3V Working Current:100A Bluetooth Working Frequency:2.4GHz Bluetooth Transmitting Power:0dBm MAX Waiting Time:5s Display:Phone APP Waterproof Standard:IP67 Working Humidity:95% MAX Tire Pressure Detection Range:100-1300kPa Tire Pressure Detection Accuracy:10kPa Tire Temperature Detection Accuracy: 3 Working Temperature : -30--80 (Outer Sensor) Working Temperature:-40--85(Inner Sensor) Storage Temperature:-30--+85Outer Sensor Storage Temperature:-45--125Inner Sensor Battery Capacity:140mAh(Outer Sensor) Battery Capacity:330mAh(Inner Sensor) Battery Life:2-3Years(Outer Sensor) Battery Life:3-5Years(Inner Sensor) Sensor Weight:10g1g (Outer Sensor) Sensor Weight:33g1g(Inner Sensor) -Question And Answer- C: C ould you please tell if battery is changeble for the sensor? Seller:Yes,it could