Name:3.5-in seated monitor parking sensor(automatic car parking system) Calendar, time and temperature can be displayed any time during driving. Display active and standby options are provided.The display is also a monitor to know conditions behind you car. During reversing, the display is automatically converted to show images behind the car, in addition to digital and band display as well as true voice distance alerting (or beeps). Mute and voice options are provided. The equipment is connected to sensors with DC connectors. Typeseated parking sensorDisplayThin-Film Transistor displaySpecifications3.5-inDisplay exterior dimensions93×80×58Camera1/3" OV7910 CMOSInstallationAttached outsideCamera dimensions34×28.6×30.2Sensor typeUltrasonicSensor dimensionsφ22Nos of Sensors4Working voltage12VDCWorking voltage rangeDC10V 15VMax current under rated voltage0.37AMin current under rated voltage0.28AMaximum power<4WAmbient temperature-30 +70Detection range0.3m 2.5mAlert volume70dB 80dBwarrantyone year