Security GSM Alarm unit ALTOX ALARM-4 can be used both autonomously and in combination with other access control, remote control and monitoring devices for real estate properties, security and fire alarm control units, etc. Security GSM Alarm unit ALTOX ALARM-4 controls the status of four alarm system loops (each loop can be assigned a unique name) to which can connect an unlimited number of various sensors (IR motion sensors, glass break audio discriminators, water alarms, magnetic contact security sensors (sealed contacts), etc.), with terminal resistance which allows to determine closure and interruption of the alarm system loop. Security GSM Alarm unit ALTOX ALARM-44 also has an additional user-defined output that is controlled by DTMF commands from the voice menu, to connect various loads of DC and AC voltage (220V) (for example, household appliances, light, music, heaters, outlets, etc.). The new version of Security GSM Alarm unit ALTOX ALARM-44 has an option to connect up to 3 digital temperature sensors (DS18S20 and DS18B20). Each of them can be assigned a unique name. Additionally, there is an option of automatic control of one sensor's temperature including sending an alarm text message (SMS) when the temperature falls outside the pre-set limits.