下载 APKPure App
可在安卓获取M2R1的历史版本
Intelligent wireless GSM alarm, M2R1dedicated APP
Welcome to the Shenzhen City Tongda Electronics Co., Ltd. R & D and production of emergency alarm dedicated GSM smart SMS transmission / automatic dial-up alarm system M2R1APP, please visit the website WWW.YL007.COM, in order to obtain product information.