DescriptionKnow the real time air pressure and temperature for tires on the screen. Gives you early warning of air leaks and other abnormal tire situations so corrective action can be taken and tire life can be extended. When the air pressure or temperature of any tire goes outside the predetermined range,both the monitor display and an audible alarm warn you.Youre also warned when the battery of a tire sensor is low.Features-Color: Black. -Material: Plastic. -Size: About 7.70X6.00X4.20cm/ 3.03X2.36X1.65inch. -Working voltage: DC5V. -Detection pressure range: 1.4-3.5Bar. -Working temperature: -40-85. -Interface mode: Cigarette lighter. -Receiving frequency: 433.92MHz. -Receiving sensitivity: <105dBm. -Sensor battery model: CR1632 (180mAh). -Sensor working temperature range: -20-60. -Sensor pressure test range: 0-8Bar. -Sensor emission current: <8mA. -Support tire pressure and temperature display, digital screen display is more accurate. -This detector is rugged, waterproof, quick to install, and has a long service life. -Real-time tire pressure data makes your driving safer, very convenient and practical. -It is made of materials that have been used for a long time, so it can serve you for a long time. -Four sensors allow you to detect four tires at the same time, which is convenient and quick.