Item Name: Tire Pressure Monitor Recommended Configuration: Connector: USB Working Current: ≤15mA Applicable Model: for Android Car Navigation Storage Memory: 8GB & Above Operating System: for Android 4.0 & Above Temperature Measurement Unit: Degree Celsius/Degree Fahrenheit Operating Memory: 1GB & Above Battery: Built-in CR2050 Button Battery (Included) Working Voltage: DC 5V Pressure Unit: Psi/Bar Working Frequency: 433.92mHz Working Temperature: -40 to 85 Degrees Celsius Style: External Sensor, Internal Sensor (Optional) Pressure Measurement Range: 0-116Psi/0-8Bar Material : Electronic Component Manual : english Battery : button battery Size Details: Receiver Size: 6cm x 4cm/2.36" x 1.57" (Approx.) Specifications: The length of the receiver is 6cm, the width is 4cm. Monitoring the tire pressure in real time when the car is driving, the tire pressure monitoring sensor can ensure the driving safety. It is made of high quality plastic and electronic component material, which is durable and sturdy. The receiver will give out high and low tire pressure alarms, high temperature alarms, etc. sound prompts, which means car tires are abnormal. It is suitable for car, truck, vehicle, SUV and so on. Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Receiver 4 x External Sensors 4 x Anti-theft Nuts 1 x USB Disk (Built-in App) 1 x Wrench 1 x User Manual Or 1 x Receiver 4 x Internal Sensors 1 x USB Disk (Built-in App) 1 x User Manual