DS-2CD6332FWD-I: Panoramic 180/360 degree, Indoor, 3MP, True WDR, Day/Night, IP66 and IK10 Vandal Resistant (-V Model)
1 built-in microphone by default, 24 db
1 built-in speaker by default, supports echo cancellation
-22° to 140° F (-30° to 60° C); humidity 95% or less (non-condensing)
12 VDC ±10%/PoE (802.3af)
Maximum 12 W
15 meters