Feature:1. Support USB cable charging and solar charging,ensuring that the tire pressure monitoring system can work continuously.2. Our TPMS has five alarm modes, fast leak alarm, high / low pressure alarm, high temperature alarm and sensor low pressure alarm.3. Big LCD Screen Auto Backlight - Easy Reading Under Any Light Environment] Supports smart backlighting.4. Receiver angle adjustable, Support up and down 45 \u0026 left and right 45 adjustment.5. Split support, more convenient disassembly and assembly.Specification:Specifications:Receiver parametersPower supply mode:USB power supply,Solar Power supplyWorking voltage:DC 5VPressure unit:bar / psiTemperature unit: / Operating temperature:-20 -- 85 Storage temperature:-40 -- 125Built in sensor parametersPressure range:0-5.6bar / 0-81psiLow pressure alarm value: 1.8baHigh voltage alarm value: 3.2baPressure accuracy 0.1ba / 1.5psiWater Resistant grade:IP67Battery built in CR2450 button battery (non removable battery) battery life: 2-3 years.Package List:1 * Receiver4 * Sensor1 * anti skid pad1 * USB cable