GSM alarm Kit for photovoltaic systems up to 20 kWp (100 panels) composed of: N. 1 Pocket module cod. ALM-6818 + 200 meters of Plastic Optical Fibre cod FCX-6008 + N. 100 Sigilli Solar Defender for 6mm hole cod. ALM-6006/AZ. Reporting up to 5 phone numbers of the following events by sending SMS: interruption Fibre, box tamper, recovery GSM, Alarm input 1 and input 2. Certifications CE, REACH, RoHS Compliant.