Self-powered outdoor piezoelectric electronic siren with strobe flasher. Certified for EN50131 Grade 2 installations. Blue color flasher. Attractive design polycarbonate shell. UV resistant polycarbonate. Anti-foam protection. 99 dB acoustic power at 1 m. Box and wall tamper. Self-detection of cable cut or sabotage. Selectable trigger polarity. LED indication of the system status, alarm memory, discharged battery, insufficient charge power, burned-out lamp. Pre-alarm of 10 beeps to allow time for disconnection. Separate siren and flash gun control. Power supply from 11 to 15 Vdc. 12 Vdc 2.2 Ah battery (not included). Consumption in standby 20 mA. Maximum consumption: 800 mA (siren + flasher). Operating temperature: -10 to 40 ºC. Dimensions: 330 x 220 x 60 mm.