Model Number: Sb325-4 Brand Name: CISBO Key Specifications/Special Features: 1.Wireless CPU to display communications 2.Colorized LCD screen showing obstacle distance 3.Alarm by Bi-Bi sound4.The simulative vehicle is displayed in the colorized screen 5.Turn on/off the voice according to your desire6.2.4G wireless transfering frequency,very stable for parking activity.Sensor characteristics:1. It has at least 2 times sensor sensitivity than other similar products, which can even measure 2mm steel wire with broader scope but less blind zone.2. For normal parking sensors, it can measure at most 4 times per second, but ours could reach to 6 times per second that have a higher capture speed, which can detect the fast moving objects and give timely response to driver3. It can normally work by helping driver bring a good parking experience no matter in rainy, snowy or greasy day or changeable, severe or heavy weather