OWSOO Burglar Intruder Alarm System Auto Dialer Wireless LCD GSM & SMS RFID Touch Keyboard Home House Security

this is a small and compact unit and can easily be setup by anyone a good buy for its price.

Received my oswooo gsm alarm system today and tried to set up wireless solar siren and downloaded app . Could not get siren to work at all . No instructions in manual to do so . Also app not working .Its saying message to panel.successful but its not doing any functions like arm or disarm . Sim card definitely working , as the panel.phones out ok. Its like its not able to receive any text either. It will.send messages but not receive messages or commands . This is the fourth oswoo system and ive only had one good system that work satisfactory so i,m running out of patience with the product. I wonder if other amazon customers are havung similar issues .