Two-zone GSM alarm system based on the SIM800C module. Предназначена для охраны различных объектов. External antenna allows you to place MP4 in a convenient location. SMS messages about the state of protection and power supply circuits allow you to fully control the protected object.

When dialing to the MSP-4, a sound informant will inform you about the status of the security and sensors. The remote microphone will help you understand the causes of concern. Output to the speaker to create dispatching elevators for industrial facilities. The built-in balance check function will inform about the end of funds on the MSP-4 account.