DIY TPMS Car Tire Pressure Monitoring System with LCD Display 4 Valve-cap Sensors Bar PSI Unit

This TPMS with LCD display and 4 valve-cap sensors can help monitor tire pressure. It is easy to install and very convenient to use.  

Features:
Sensors. 
Match with 4 valve-cap sensors. 
Replaceable sensor battery (CR1632). 
Sensor pressure range: 0~5.2Bar / 0~75PSI. 
The weight of sensor is only 9.6g, no tire balance is needed after installation. 
Pre-programmed sensors, no pairing is needed. 
Display:
Glossy glass display can be charged by solar energy or Micro USB charging slot. 
Large display battery capacity for a month use. 
Monitoring Data:
Four tires pressure data at a glance. 
Adjustable threshold value of tire pressure & temperature. 
Low power consumption in sensor. Real-time tire temperature checking. 
Visual and audible warning. 
Intelligent sleeping mode for power saving. 
High / Low pressure warning. 
High tire temperature warning over (80℃/ 176℉）. 
Low sensor/ display battery warning. 
Fast / slow leakage warning. 
Sensor failure warning.  

Specifications:
Pressure unit: Bar / PSI; 
Package size: 21 * 14 * 7cm / 8.3 * 5.5 * 2.8in; 
Package weight: 340g / 12oz; 
Valve-cap Sensor:
Pressure range: 0-5.2Bar / 0-75PSI; 
Operating frequency: 433.92MHz ± 0.05MHz; 
Operating voltage: 2.0V ~ 3.3V; 
Operating current: ≤16mA; 
Static current: ≤1uA; 
Operating temp.: -20℃～+60℃; 
Battery Model: CR1632; 
Battery Life: ≥2years; 
Display:
Operating frequency: 433.92MHz ± 0.05MHz; 
Operating current: ≤2mA; 
Static current ≤100μ A; 
Operating voltage: 2.6 ~ 3.6V; 
Operating temperature: -20℃ ~ +70℃ / -4℉ ~ +158℉; 
Built-in battery capacity: 3.2V / 160mAh; 
Charging temperature: -10℃～65℃ / 14℉ ~ 149℉; 
Solar charging current: ≥15mA (at 5500LX 25℃/77℉ ); 
USB charging current: ≤60mA; 
Alarm Value:
Adjustable high pressure value: 2.9~5.0Bar / 42~73PSI; 
Adjustable low pressure value: 1.7~3.4Bar / 25~49PSI; 
Adjustable high temperature value: 50~90℃ / 122~194℉; 
Default value:
High pressure value: 3.3Bar / 48PSI; 
Low pressure value: 1.8Bar / 26PSI; 
High temperature value: 80℃ / 176℉;  

Package List:
1 * Display; 
4 * Sensors; 
1 * Set of Accessory; 
1 * User Manual