1) Use high-quality steel and A-class rubber processed with special procedures. 2) There is no noise due to zero vibration of our wiper, it stands out amongst same category. 3) There is no raindrop or mist trace left on windshield after wiping. The windshield is still high clear after 500,000 times of wiping. The performance of our wiper is better than ordinary one 4) Its durability is 3 to 5 times than that of regular one. 5) Quick-joint, easy to be installed and dismantled on all types of automobiles except those of special locks.