Specification: _x000D_ _x000D_ Rated voltage: 12V DC_x000D_ Rated current: 100mA-300mA_x000D_ Ultrasonic frequency: 40KHz_x000D_ Control module operating temperature: -30-80 degrees Celsius_x000D_ Display working temperature: -20-70 degrees Celsius_x000D_ Sensor diameter: 22mm_x000D_ Installation method: drilling Warning volume:> 70DB Probe color: black, white, silver (other colors, please note) Voice prompts: The system uses three kinds of sound, mute, beep, English live voice mode switching between the three. The closer the obstacle, the more rapid Light bar tips: the use of three color light bar, heart-based tips obstacle distance Digital tips: in the middle of the display, the obvious number of tips obstacle distance, accurate and clear at a glance After the installation of four probe car, reversing, automatically start probing after obstacles 4 probe installed in front of the car, when driving forward, when braking, start When the brakes, the front of the probe automatically work, loose brakes, the probe automatically delay about 10 seconds to stop working Heartbeat step by step display function, numbers, sounds step by step tips. Microcomputer intelligent control, accurate figures show the distance between obstacles From the environment, rainy days, especially the advantages of the night. Anti-electromagnetic interference, the original electronic system without any impact. Probe with embedded installation, multi-color configuration sensor compact, easy installation. Adopting new technologies and solutions, suggesting speaker built-in display, make product installation more convenient and more concise.