Feature:1. Power Supply: Designed with 2 charging ways ensure the monitor will work continuously, rechargeable lithium battery can increase the tires's life, larger solar panels ensure faster charging efficiency.2. Real Time Monitor: Real time monitoring the temperature and pressure with high degree accuracy for 6 tires simultaneously, IP67 waterproof, sealed against dust, with high accuracy.3. Receiver Parameter: Equipped LCD high precision liquid crystal large screen display, which has loud volume alarm sound warning, with working voltage of DC 5V.4. Main Functions: Various tire pressure units are optional, the tire pressure monitoring system has long receiving distance, stable signal, and support tire position swap.5. Practical: Both the sensor and detector have built in batteries, and equipped with accessories such as anti theft nuts, anti slip pads, wrenches, charging cables, etc., ensuring simple installation.Specification:Item Type: Tire Pressure Monitoring SystemMaterial: ABSReceiver ParametersReceive Frequency: 433.92mhzPower Supply Mode: Usb Power Supply, Solar Power SupplyWorking Voltage: Dc 5vPressure Unit: Bar / PsiTemperature Unit: / Working Temperature: -20 -- 85Storage Temperature: -40 -- 105Transmit Frequency: 433.92mhzPressure Range: 1.06 Bar/ 0-15 BarDefault Low Pressure Alarm Values: 2.86 Bar/ 3-13 BarDefault High Pressure Alarm Value: 6 Bar/15 BarPressure Accuracy: 0.1 Bar / 1barWorking Voltage: Dc+2.0 3.6vWorking Temperature: -20 -- 85Storage Temperature: -40 -- 125Waterproof Level: IP67Battery: 6 Cr1632 Button Batteries 120mah 3.0v (Shipped With Built-In Battery)Display Battery 1 Lithium Battery 5000mah 3v (Shipped With Built-In Battery)Battery Life: 1.5-2 Years.Package List:1 x Tire Pressure Monitor6 x Sensor6 x Anti Theft Nut1 x Anti Slip Mat1 x USB Cable1 x Wrench1 x Instruction Manual