Type A:Internal SensorType B:External SensorFeatures:- Solar power charging, dont need to charge by connecting car c igarette lighter- Colorful LCD Digital displaying, clear to show tire information- Rear-time monitoring pressuretemperature of 4 tires- Low air pressure/high temperature alarm- High Temperature / Leakage / Low Battery Alarm- Intelligent Shock Boot when car moving, dont need to turn on/off- Wireless connect by sensors, easy install- Build-in sensors and external sensors options, meets all your need- Freescale chip sensors and fit on almost 98% cars on marketSpecification:- Type: External Sensor, Internal Sensor- Working Frequency: 433.92MHz50KHz- Sensor Working Pressure: 0-60Psi 2 Psi- Sensor Transmit Frequency: 433.92MHz- Sensor IP: IP67- Working Voltage: Sensor: 2.1-3.6V; Receiver: DC 3.7-5V- Receiver Working Temp.: -2 ~ 75 C / 28~167 F- Receiver Storage Temp.: -3~80 C / 26~176 F- Sensor Working Temp.: -40~90 C / -40~194 F- Sensor Storage Temp.: -40~100 C / -40-212 F- Receiver Battery: Built-in 400mAh battery- Receiver Charge Time: About 1h by DC 5V 1A- Sensor Battery: Each sensor is powered by 1 x CR1632 lithium-ion battery (included)- Certification: CE, FCC- Sensor Size:- External sensor2.3 x 1.7cm / 0.8 x 0.7 (D x H)- Internal sensor56 x 80 x 14mm- Display Size: 9.5 x 8 x 2.7cm / 3.7 x 3.1 x 1.1 (L x W x H)Package Included:External Sensor:1 x Solar powered Monitor4 x External sensor4 x Lock Nut1 x Installation tool (same tool for replace battery)1 x Sti
