-Bluetooth 5.0Description- 1.Dynamically monitor Vehicle Sensors 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 Vehicle Sensors Tire Pressure monitoring system,installing pressure and temperature on the tire, then displaying the real-time data on phone (Android , IOS, IPad) through Bluetooth connection, 3.During travel, Vehicle Sensors 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 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 Vehicle Sensors Tire Pressure Detection Range:100-1300kPa Vehicle Sensors Tire Pressure Detection Accuracy:10kPa Tire Temperature Detection Accuracy: 3 Working Temperature : -30--80 (Outer ) Working Temperature:-40--85(Inner ) Storage Temperature:-30--+85Outer Storage Temperature:-45--125Inner Battery Capacity:140mAh(Outer ) Battery Capacity:330mAh(Inner ) Battery Life:2-3Years(Outer ) Battery Life:3-5Years(Inner ) Weight:10g1g (Outer ) Weight:33g1g(Inner ) -Question And Answer- C: C ould you please tell if battery is changeble for the ?