Features: 1: Origional Careud authorized Stores, 100% warrentte Origional Product 2: Solar TPMS for 6 wheels trucks or recreational vehicle. 3: Real-time Tire preure Monitoring and Alarm, keep driving more safe and alarm in advance 4: Longer Life-time of Sensor 5: Big Screen Receiving frequency: 433.92MHzBattery capacity: 2200 mAhBattery voltage: 3.7VInput voltage: DC 5VWorking temperature: (-20 C ~ +80 C)Storage temperature: (-30 C ~ +85 C)Size ( L*W*H )mm: 120*34*45mmWeight: 133.0gSensor parameters:Transmiion frequency: 433.92MHzPreure range: 0 ~ 116psi (0 ~ 8bar)Preure accuracy: 1.5 PSI (0.1 bar)Working temperature: (-40 C ~ +105 C)Storage temperature: (-40 C ~ +120 C)Battery model: CR1632Battery capacity: 120 mAhBattery voltage: 3VBattery life: 2 years or soSize: Height: 15mm, Diameter: 23mm