Product Name: Motorcycle Tire Pressure Monitoring System (TPMS) Display Screen Working Frequency: 433.92 MHz Working Voltage: 5V Working Current: 28mAh Product Name: Tire Pressure Sensor Working Frequency: 433.92 MHz ± 0.05 Working Temperature: -30°C to 70°C Working Voltage: 2.1V-3V Working Current: Static: 1mAh / Instantaneous Emission: Less than 18mAh Monitoring Range: Temperature: 40°C to 90°C Air Pressure: 0 to 88 bar Accuracy: 0.1 bar Power Supply: Solar Function: Waterproof Item Type: Alarm Security Features: Tire pressure monitoring Tire temperature monitoring Active alarm Model Name: M7 Motor Tire Pressure Monitoring System (TPMS) Type: Portable Color: Black Material: ABS Package Contents: 1 x Solar Motorcycle Tire Pressure Display 2 x External Sensor Note: Light and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3cm.