Bloopow Motorcycle Tire Pressure Alarm LCD Screen Tire Pressure Monitoring System with 2 External Sensors USB Solar Charging -- M5 Regular Style (without Taineng board) M9 Upgrade Style (including solar panels, with more complete functions) If the sensor cannot be connected to the host after receiving the product, please follow the steps below: 1. After power on, press the down button on the right side (long press) to enter the menu; 2. After pressing 7 times, press the upper right key to select FW calibration (front tire) and install sensor A; Press the key to calibrate the RW (rear tire) and install the B sensor. Specification: Product name: motorcycle tire pressure monitoring Shape: M9 solar models and regular M5 models Operating voltage: 3.7-5V Screen: LCD color TV Operating temperature: -30 ~ +80 Storage temperature: -30~+85Bright screen working current: 7mA Dark screen working current: 4mARF transmit frequency: 433.92mHz50kHzRF signal receiving sensitivity: -90dbmMaterial: ABS+PCWaterproof: IPX67Feature:1. Real-time monitoring: motorcycle tire data is displayed in real time, and tire temperature, tire pressure, etc. can be displayed in time.2. Alarm Mode: This digital tire pressure gauge includes 7 alarm modes for you to use. Including high voltage alarm, low voltage alarm, high temperature alarm, rapid air leakage alarm, sensor data loss alarm, sensor low battery alarm, receiver low power alarm3. High-tech: Adopting advanced smart chips, TPMS can quickly and effectively sense the tire condition and output over time. If the tire pressure is abnormal, the alarm can be issued quickly and accurately. The receiving signal is strong, no interference and higher stability.4. Automatic: when the vibrator automatically enters the working state, the driving state shows that it is often turned on, no need to adjust manually, very worry-free. When the motorcycle is stopped, the motorcycle monitor will automatically enter sleep and standby in a static state.5. Intelligent design: adopt magnetic charging design, adsorb in one second, charge quickly. Compared with the traditional charging socket, the magnetic charging design is waterproof and dustproof, which is convenient for charging. Package includes: Receiver * 1 Magnetic USB cable * 1 Bracket * 1 Anti-theft nut * 2 External sensor * 2 Small key * 1 M9 solar models When an abnormal alarm occurs, the screen will flash in color accompanied by an audible sound. Regular M5 models