... 2). Detected in back 3). Full-weather 4). Wireless technology 1). Radar sensor activate when the reverse gear ... wind, ice, snow or rain4). Use the RF wireless technology5). Detecting range from 2.5-0.3m with ... precision display up to 0.01m.6). wireless transmit saves 70% installing time7). Meter and inch ... ). Original Philips chip, quality guaranteed Sell LP208 Wireless LCD Parking Sensor