Does the door and window alarm work? Is there a SMS notification?

Door and window alarms work, and there are SMS notifications.

Door and window alarm, that is, door magnetic alarm or window magnetic alarm, is learned from the alarm host, which requires that the alarm host is intelligent, that is to say, there must be a telephone card in the alarm host. After it is set, a thief will call the police when he breaks the door or window after going out, and the siren can play a role in deterring thieves. At the same time, the door and window alarm will send data information to the host through wireless, and the alarm host will send a short message to the set host mobile phone number after receiving the information.

Door and window alarms are as follows:

This is a complete set of intelligent alarm, with door magnetism, which can be installed on the door or window at home. If the doors and windows are opened after fortification, they will call the police and send text messages. That infrared ray can be installed on the balcony or corridor at home, and its protected area is a fan-shaped area. When someone breaks into this area, it will trigger the infrared ray to send an alarm and send a short message. These have to be set. Just follow the product instructions.