2 in 1 Motorcycle Tire Pressure Monitoring System Wireless Tire Pressure Monitor TPMS Detector Waterproof with 2 External Sensors Digital LCD Display Features: Intelligent tire pressure detector with LCD digital display, real-time monitoring of tire pressure and temperature, and immediate alarm when abnormal. Built-in multiple anti-interference functions, stable signal, no data loss, real-time monitoring of tire conditions, to ensure riding safety. Adopt high-quality chip, accurate sensing, timely feedback, support air leakage alarm, high/low pressure alarm, no signal alarm, high temperature alarm, low battery alarm. After parking for 5 minutes, it will automatically enter the sleep mode, automatically turn on after starting the motorcycle, save energy, and prolong the battery endurance. Reliable quality, dustproof, waterproof and high temperature resistant, it can easily cope with various complex road and weather conditions. Wireless transmission design, easy to install and use, no wiring required, and will not block the line of sight. Specifications: Color: Black Material: ABS Sensor Type: External Sensor / Internal Sensor(optional) TPMS Receiver-- Working Voltage: 5V Pressure Setting Range: 0.1-6.0BAR Temperature Setting Range: 60-110℃ Working Frequency: 433.92MHz±20MHz Battery: Built-in 450mAh Lithium Battery Working Temperature: -20-80℃ Storage Temperature: -30-85℃ Interface: USB Item Size: 69 * 52 * 25mm/ 2.7 * 2.0 * 1.0in External Sensor-- Battery: 1 * CR1632(180mAh) Transmit Power: <10dBm Transmit Frequency: 433.92MHz±15KHz Pressure Measurement Range:0-8Bar Item Weight: 9.5g/ 0.3oz Internal Sensor-- Battery: 1 * CR2050(350mAh) Transmit Power: <10dBm Transmit Frequency: 433.92MHz±15KHz Pressure Measurement Range:0-8Bar Item Weight: 55g/ 1.9oz Package Size: 180 * 130 * 45mm/ 7.1 * 5.1 * 1.8in Package Weight: External Sensor: 220g/ 7.8oz                            Internal Sensor: 268g/ 9.5oz Packing List: 1 * Tire Pressure Monitor 2 * Sensor 1 * Bracket 1 * Wrench 2 * Nut 1 * USB Cable 1 * User's Manual