Solar Wireless Car Tire Pressure Monitoring System with 4 External Sensors

Tire Pressure Monitoring System(TPMS),which lets the driver get the rl-time tire pressure data,temperature data and status,always keeping an eye on your car\u0027s performance. Support shows four wheels\u0027 tire pressure and temperature simultaneously,high/low tire pressure alarm,high temperature alarm and lkage condition alarm. Rl-time notification of the tire pressure condition of ch tire, the driver can guarantee the pressure balance of the four tires according to the tire pressure value, so as to achieve smoother running. Specification: Display screen: LCD Operating temperature20 ~ 70 Working voltage: 5V Daytime operating current/Night operating current/Standby current:＜15mA/＜4mA/＜50uA Transmit frequency:433.92MHZ+/-20KHZ Transmit mode: Pressure unit: BAR/PSI Charging ways:Solar energy/USB Battery:1*303450 3.7V 500mAh Monitor size: Approx.9.5*8.5cm/ Package weight:207g/7.3oz Package size:15.5*13.5*5.8cm/6.1*5.3*2.3in Sensor: Operating temperature:- 40 ~ 125 Working voltage: 2.0-3.6V Standby current:＜1uA Transmit frequency: 433.92MHZ+/-20KHZ Transmitted power:Less than and equal to5dBm Open Distance:＞30M Battery(ch sensor):1*CR1632 3V Sensor size(ch): Approx.2*2*2cm/