Tire pressure monitoring system, real-time monitoring of tire pressure and temperature, real-time warning sound, flashing icons on the red screen to avoid traffic accidents, USB cable + solar energy charge, energy saving and efficient, simple installation, rain waterproof, normal full charge can be used for 2 weeks. Features: High volume alarm. High precision liquid crystal display. Long receiving distance, stable signal. IP65 protection level, waterproof and dustproof. Highly efficient solar panels with extremely long cell life. ABS material cover, high hardness, heat resistant, deformless. Built-in large capacity lithium cell, low loss, long standby time. Support solar energy +USB cable dual energy supply, energy saving and efficient. External sensitive sensor, anti-interference, sensitive monitoring of tire pressure changes in different environments. Accurate monitoring of tire pressure and temperature stability throughout the process, real-time update in 3 seconds. Intelligent chip, leak alarm, high voltage alarm, low voltage alarm, no signal alarm, high temperature alarm, low energy alarm. Specifications: Model: TS08-4 Material: ABS Color: Black Monitor Cell: Polymer Cell, 5V 1100mAh (included) Sensor Cell: 1632 Cell, 3.3V (included) Barometric Monitoring Range: 0.5-5Bar Working Tempreture: -20~80 Protection Level: IP65 Charge Port: USB Universal Valve Model: M4-External Thread-8V1/10V2, Internal Thread 5V1 Package Weight: 236g / 8.32ounces Package Size: 180 * 130 * 45mm / 7.09 * 5.12 * 1.77in Bracket Installation Instruction: 1. Loosen 2 screws, put them on the motorcycle/electric bike/bike tire, and tighten them. 2. Point the mounting head of the bracket to the position you want, and confirm that the bracket is safe. 3. Install the receiver on the bracket, tighten it, and then lock it. 4. Rotate the button on the ball head to move the joint and adjust the appropriate angle. Note: 1. Due to manual measurement, different measurement methods and tools, there may be small size deviation. 2. Depending on the light, Angle and display, the image may not reflect the true color of the object. Packing List: 1 * Monitor 2 * Front And Rear Sensor Nuts 2 * Hexagon Nut 1 * Bracket 1 * Nut Wrench 1 * USB Cable