External OBD TPMS Tire Pressure Testing System Bluetooth Funtion APP in Smartphone Auto Parts Tire

External Wireless Bluetooth TPMS with APP Display 
1.Germany Infineon Sensor Chip
2.Japan Panasonic Li-battery 
3.With 4 external sensor
4.Support Android and IOS system, APP display
5.Receiver get powet from the OBD socket
6.BT transmit between receiver and smartphone  
7.Human voice alarming
8.Selectable temperature unit(Psi,BAR)
9.Display the tire pressure and Temperature of 4 tires simultineously 
10.Configurable tire pressure and temprature alert setting

Operating Temperature: -20ºC-80ºC
Pressure Range: 0-4.5Bar (65Psi)
Pressure Sensitivity: ±0.1Bar(1.5Psi)
Temperature Sensitivity: ±3ºC
Power: <10dbm
Frequency: 433.92MHZ
Battery life:  2 years
Dimension: 
20mm*17mm (Diameter*Height)
Sensor Weight:  10 g

*Search and download APP SYTTPMS in Google play or APP store for Android and ios smartphones
*The pressure / temperature alarm value be adjusted
*Forget to take Mobile phone ;This system also has the human voice to remind
*Parking air leakage, open the door immediately remind
*Tire pressure and temperature units arbitrary switching Global Universal
*Standard OBD plug and play, apply to most cars with four tires
*Visual, audible and vibration alarm


OBD Receiver Parameters
*Rated operating voltage: DC12V
*Static average operating current: ≤20mA
*Receiving center frequency: 433.92MHz
*Receiving sensitivity: ≤-110dBm
*Bluetooth transmission distance: > 8m
*Operating temperature range: -40 to 85ºC
Pressure alarm upper limit: 40.6Psi to 50.8Psi
Pressure alarm lower limit: 21.8Psi to 31.9Psi