Optical-acoustic fire alarm panel, VID. Surface mounting or semi-flush. Maximum installation height 4.2m. Can be used indoors and outdoors. Sound pressure 88dB(A) @ 1m. 24V DC supply voltage. Maximum consumption in signaling 100mA. Protection rating IP54. Operating temperature -10°C... +50°C. ABS casing. White color. Semi-flush mounting dimensions (L x W x D) 365 x 147 x 50mm. Approved EN 54-3. Certification: 0051-CPD-0256.