Watertight; Reverse polarity protection; ABS; Wired siren; Operating voltage 12 VDC; Power consumption (for 12Vdc with siren): 200 mA; Sound pressure level (1m): 112 +/- 3 dB; Dimensions 40 x Ø55 mm; Weight: 78 g; Mounting holes 35 mm; IP protection class 55; ; This text is machine translated.