亚洲区一二三四区_亚洲成a无码手机在线_亚洲aⅴ无码专区在线观看_亚洲精品国产综合久久久

SK-03W wireless door sensor, it is the use of magnetron principle to work wirelessly transmit signals of a security product, the product uses dual magnetron design, can be easily installed on the left or right to open the doors, windows and other non-allow open spaces.