wired siren material: ABS operating voltage: 6-12 VDC current consumption (at 12Vdc with siren): 1300 mA osc. frequency: 0.9 - 4 kHz sound pressure level (at 1m): 125 dB dimensions: 100 x Ø 110 mm weight: 370 g mounting holes: 52 x 49 mm working temperature: -30 ~ +85 °C IP-rating: IP50 working time: at least 6 hours @ 12 VDC cable: 43 cm (red = +, black = -) (EN)