A. Working frequency: 433.92mhz ± 0.05 B. Working temperature: -30 Celsius to 70 Celsius C. Working voltage: 5V D. Working current: static 1mah / instantaneous emission less than 18mah E. Monitoring range: temperature (40 Celsius - 90 Celsius) / air pressure (0 - 88bar) / accuracy (0.1bar) F. Power supply: solar G. Function: Waterproof H. Item Type: Alarm & Security I. Special Features: Tire pressure monitoring / tire temperature monitoring / active alarm J. Model Name: M7 Motor Tire Pressure Monitoring System TPMS A Style K. Type: Portable L. Material: ABS M. Colour: Black N. Package Contents: 1. 1 x motorcycle tire pressure monitor 2. 2 x external sensor 3. 1 x bracket Only the above package content, other products are not included. O. Note: Light reflection and different displays may cause the color of the item in the picture to be a bit different from the real thing. The measurement allowed error is ±1 - 3cm.