... Celsius12. Operating humidity ≤75%MAIN FEATURES:01.Magnitic strengthen type motor02.Common design, suitable for many car03.Ultrasonic sealed, ... enterprise integrating R&D, manufacturing and sales of burglarproof electronic technology. Founded in 1997, the company, after years’efforts, ... self technology advantage, has gathered a group of elites in project R&D, production management and sales service ...