Description: The monitor automatically power ON & OFF, for energay saving. Solar charging or magnetic charging. IPX67 waterproof level sensors and monitor, anti-rust and durable. The tire pressure units Psi and Bar can be switched. RF wireless technology for real time tyre pressure and temperature tesing, and clearly displays immediately on the LCD screen for 2 tires at the same time. 5 abnormal alarms to protect tires: High-pressure alarm, Low-pressure alarm, High-temperature alarm, Air leaking alarm, Sensor low battery alarm. Universally fit for most two-wheeled motorcycles, works perfect even in a harsh condition. Size Chart: Overall size: approx. 4.8x5x2.3cm/1.89x1.97x0.91inch Solar panel: approx. 4.7x6.3cm/1.85x2.48inch Package Includes: 1 Piece Solar Motorcyle Tyre Pressure Monitor System 2 Pieces Sensors 1 Piece Wrech 1 Piece Charging Cable 1 Piece Manual Instruction Note: Colors might be different due to different monitor display. Manual measurement may cause slightly difference in size.