- External connect the TFT LCD screen - Two video input, one video output - One video is straight connected, another is added with distance data - 5 stages simulate obstacle distance display, distinguish the 4 sensor's direction - 4 stages alarming sound prompt, 5 stages LCD indicator with voice report. - Alarm by three step Bi-Bi sound - All kinds of sensor colors and styles are available - High definition camera with night vision - Display the distance with 3 digital numbers - High quality and easy to install - Technical parameters: - Rated voltage: 12V DC - Operating range: 10.5V - 16V DC - Rated current: 50mA - 180mA - Detecting distance: 0.39 - 2.0m - Ultrasonic frequency: 40KHz - Working temperature: -30 to +70 deg. C