Features： 1、Main Function: Support wireless connection, real time monitoring of tire tire pressure and temperature, normal pressure with green display, abnormal with flashing red backlight. 2、Unique Design: Front wheel, rear wheel high and low voltage alarm values can be set separately, USB magnetic charging, solar power supply, and has a time display function. 3、6 Abnormal Alarms: High pressure alarm, low pressure alarm, air leakage alarm, high temperature alarm, low battery power consumption alarm, sensor disconnection alarm. 4、Energy Saving: It automatically turns off when the motorcycle is not moving for a period of time, and automatically turns back on once motion is detected. 5、Practical: LCD digital display screen, clearly visible day and night, IP67 waterproof, high sensitivity, built in coin cell battery, replaceable, suitable for motorcycles, electric vehicles, bicycles. Specification： Item Type: Motorcycle Tire Pressure Monitoring Material: ABS, metal Working Voltage: 3.7-5V Display: LCD color display Operating Temperature: -20°C-75°C Operating Current: < 7 mA RF Transmission Frequency: 433.92 MHz±50 KHz RF Signal Reception Sensitivity: 90 dm Key Features: 1. Wireless connection, real time monitoring of tire tire pressure 2. Tire pressure, tire temperature monitoring at the same 3. Normal pressure with green display, abnormal with flashing red backlight 4. The high and low voltage alarm values of the front wheel and the rear wheel can be set separately 5. USB magnetic charging, solar power supply 6. Built in coin cell battery, replaceable 7. Time display Battery: The main unit has a built in 400 mAh lithium battery Sensor Battery: Built in coin cell battery CR1632 140mahx4 (built in) Fitment:  Suitable for motorcycles, electric vehicles, bicycles, etc Package List： 1 x Tire Pressure Monitor 2 x Tire Pressure Sensor 1 x Mounting Bracket 2 x Nut 1 x Power Cord 1 x Wrench 1 x Manual