https://indomonster.com/https://indomonster.com/buy/China/Security_&_Protection/Lifesaving/0.rssIndomonster.com - International Import Export Trade Leads MarketplaceenSat, 15 Jun 2024 23:17:00 +0700Indomonster.com<a href="https://indotrade.com/pdimage/06/s_420506_sa-gsm-b.jpg"><img style="float:left; margin:0 10px 10px 0;cursor:pointer;" src="https://indotrade.com/pdimage/06/s_420506_sa-gsm-b.jpg" border="1" alt="GSM home alarm system" id=""></a>Model SA-GSM: User doesn� � � t need to connect it with phone line because it can work as a mobile unit, it can send short message to alarm and reply automatically, you can check the system situation by..../securityco/420506/gsm-home-alarm-system.htmssg shenzhen security group20070310031055