Description: Processor: ARM M0 Working Voltage: 3V Working Current: 100ŒºA Standby Current: ‚§ 2.2ŒºA Bluetooth Working Frequency: 2.4GHz Bluetooth Transmitting Power: 0dBm MAX Wait 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‚ ~ +85‚ (Outer Sensor) Storage Temperature: -45‚ ~ +125‚ (Inner Sensor) Battery Capacity: 140mAh (Outer Sensor) Battery Capacity: 330mAh (Inner Sensor) Battery Life: 3~5 Years (Outer Sensor) Battery Life: 5~8 Years (Inner Sensor) Sensor Weight: 8g1g(Outer Sensor) Sensor Weight: 30g1g (Inner Sensor) Attention: 1 Please follow the mark and install sensor on corresponding tire; 2 Please save the installation tools (screws and wench) in car, for installing or uninstalling sensor 3 After sensor installation, please check if there''s tire leakage. APP Description: Compatible Operating System: TPMS supports both Android and iOS, requires Bluetooth 4.0 or above. APP Installation: Option 1: Scan QR code on card, then download and install; Option 2: Search BEL TPMS in APP Store or Google play Store, then download and install.