❤Kindly Attention: ▲The instructions need to scan the QR code affixed on the inside of the box after opening the box. ★Features: ▶ LCD digital display, beautiful and compact appearance ▶ Two rounds of testing at the same time, one screen of tire pressure and tire temperature ▶ The tire pressure units Psi and Bar can be switched arbitrarily, which is universal worldwide ▶ Adjustable pressure alarm value, suitable for different models of two wheels ▶ Comes with 2A USB charging port for fast charging of mobile devices at any time ★Specification: Material: ABS + PC Colour: Black Voltage: 5V Motorcycle host size: 50 * 50 * 28mm Motorcycle host accepts center frequency: 433.92MHz Motorcycle host receiving sensitivity: ≤-110dBm Motorcycle host working temperature range: -20 ℃ -75 ℃ Adjustable range of high and low pressure alarm value: 0.3-6.2Bar (5-90Psi) Sensor working temperature: -30 ℃ -80 ℃ Sensor pressure monitoring range: 0-8Bar (116Psi) Sensor pressure accuracy: ± 0.1Bar (1.5Psi) Sensor temperature accuracy: ± 3 ℃ Sensor transmission power: <10dBm Sensor transmission frequency: 433.92MHz Sensor size: 21xΦ17mm (height * diameter) Sensor weight: 8 grams Sensor battery model: CR1632, replaceable Sensor Battery life: 2 years (1-2 hours per day, which is the normal commute time) ★Packing list: 1 * Monitor 2 * External tire pressure sensor 1 * Removal tool bag 1 * Fixed bracket