Aichean is a brand of Gumi Technology Co., Ltd. Gumi has the largest handheld online community in China, and Gumi.com has become the number one website in China. Based on its "natural advantages", the car alarm monitors the vehicle through GPS, and is a step higher in the monitoring of the car's driving position, speed, mileage, and stationary state, so it has excellent anti-theft. The fly in the ointment is that the installation is more troublesome and the price is slightly expensive, which is suitable for car rental companies and fleets.