It is suitable for small installations such as offices, restaurants, shops, etc., they provide simple installation and operation, and easy maintenance. Wide range power supply, 100-240 VAC, 50-60Hz. Max. 30 zones Each zone has its own alarm, a fault / deactivation indicator and a label. 477 loop devices. Compatible with smart and digital GST products. 8X18 character LCD display. Nonvolatile memory ensures that data is not lost even if the power supply is accidentally deleted. English version.