Low quality. Works as it wants. Seller doesn't help.
Unfortunatelly I have big problems with connecting this panel with router ( still fail). Besites It connected fine with sensors. What is the problem when I plug in horn/siren I notice very annoying sound thrue horn/siren every time I arm/disarm alarm system (it's milisecound horn sound) and it's impossible to distable this sound. Besites gsm won't send sms. Instructions should have many more informations and should be updated bacause app is different in store.