Voltage:6VSpecial Features:Can support four tires, tire position can swap Material Type:Other Item Weight:380g Item Height:3.5cm Item Width:3.5cm Item Length:7cm External Testing Certification:ce Model Name:TP-620 Origin:Mainland China Built-in TP620 Professional Wireless Smart TPMS 12V Real Time Digital Tire Pressure Monitoring System Tire Pressure Alarm Main Features: 1. Real time monitoring tire pressure and temperature 2. Tire leaking warning and temperature balance 3. The display can be directly plugged into cigarette lighter 4. Beeping alarm and display the alarm value 5. Can support four tires, tire position can swap 6. Visual and audible warning for abnormal pressure and temperature Specifications: Sensor - Operating Frequency: 433.92 0.1MHz - Working Temperature: -40 - 125 Deg.C - Working Current: Static current: No more than 1uA. Dynamic current: No more than 18mA - Pressure Range: 0 - 3.3 Bar - Working Voltage: 2.0 - 3.6V Display - Operating Frequency: 433.92 0.1MHz - Working Temperature: -20 - 60 Deg.C - Working Current: Static current: No more than 30uA. Dynamic current: No more than 8mA - Working Voltage: 12 3V Type (Fire Safety): Buid-in TPMS external or internal sensor digital tire pressure monitoring system Colors: Black Package weight: 0.377 kg Product Size(L x W x H): 7.00 x 3.50 x 3.50 cm / 2.76 x 1.38 x 1.38 inches Package Size(L x W x H): 21.00 x 14.50 x 6.00 cm / 8.27 x 5.71 x 2.36 inches