Paradox Stand-alone Outdoor Wireless Siren for Paradox M Series Grade 2 Control Panels, Fully self-monitoring, 100 dBA, built-in strobe light and wireless transceiver. Colour: Blue. Weatherproof. Temperature sensor, Power supply: 12 V. Up to 5 years’ battery life, Dimensions 13.43 x 21.17 x 5.1 cm, Certifications: CE, EN 50131-4, EN 50131-6, EN 50131-5-3, FCC 15.247