Feature: LCD digital display, nice and compact Simultaneously monitor two wheels, tire pressure and tire temperature. Psi and bar tire pressure units can be switched arbitrarily, which is universal in the world. Adjustable alarm pressure value, suitable for two wheels of different models. Magnetic USB charging port can quickly charge it at any time. Specification: Model Name: M6 Item Type: Alarm Systems and Security Origin: Mainland China Material: ABS and PC Color: Black Voltage: 5V Host size: 50x50x28mm or 1.97x1.97x1.10 Host receiving frequency: 433.92 MHz Host receiving sensitivity: 110-110dbm Host working temperature range: -20-75 ?? Adjustable range of high and low pressure alarm value: 0.3-6.2 bar (5-90 psi) Sensor working temperature: -30-and80 ?? Sensor pressure monitoring range: 0-8bar (116psi) Sensor pressure accuracy: 0.0.1bar (1.5psi) Temperature sensor precision: ?��3?? Transmitting power of sensor: <10dbm Sensor transmission frequency: 433.92 MHz Sensor size: 21x17x17mm or 0.83x0.67x0.67 (height x diameter) Sensor weight: 8g Sensor battery model: CR1632, replaceable Sensor battery life: 2 years (1-2 hours per day, normal travel time) Voltage: 5V Item Width: 13cm Item Weight: 200g Item Height: 4.3cm Item Length: 16cm External Testing Certification: CE Bracket installation instructions 1. Unscrew the 2 screws and put on the motorcycle or electric vehicle or bicycle to tighten 2. Point the bracket mounting head to the position you need, and make sure the bracket is firm 3. Install the tire pressure receiver on the bracket, tighten and then lock 4. Rotate the tuning knob by the ball head to move the joint to adjust the appropriate angle. Note: 1. There may be slight size deviations due to manual measurement, different measuring methods and tools. 2. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor. Package includes: 1 X Host 1 X USB Cable 1 X Bracket 2 X External Sensors 1 Set X Parts 1 X Instruction Manual