V11 Bluetooth 4.0 TPMS External Tire Pressure Monitoring Support Android / iOS

1. Monitor tire temperature in real time. 2. Ultra Low Energy Bluetooth 4.0 3. External installation is more convenient. 4. Voice alarm, APP real-time monitoring, strong signal. 5. Compatible with iOS/Android system. 6. Sensor parameters: Core: ARM M0 Working voltage: 3V Working current: 100 microampere Sleep current: less than or equal to 2.2 microamperes Bluetooth operating frequency: 2.4GHz Bluetooth transmit power: 0dBm max Response time: less than or equal to 5s Waterproof rating: IP67 Working humidity: 95% max Tire pressure detection range: 100-1300kPa Tire pressure detection accuracy: +/-10kPa Tire temperature detection accuracy: +/-3 degrees Celsius Working temperature: -30~80 degrees Celsius (built-in), -40~85 degrees Celsius (external) Storage humidity: -30~85 degrees Celsius (built-in), -45~125 degrees Celsius (external) Battery capacity: 140mAH (external), 330mAH (internal)