Dahua 2MP 2.7 to 13.5mm IPBullet Camera (DH-IPC-HFW2231TP-ZAS-27135-S2) - Max. Resolution: 1920 (H) × 1080 (V), Electronic Shutter Speed: Auto/Manual 1/3 s–1/100,000 s, Focal Length: 2.7mm–13.5mm, ROM: 128 MB, RAM: 128 MB, Network: RJ-45 (10/100 Base-T), Ports: Audio Input: 1 channel (RCA port), Audio Output: 1 channel (RCA port), Alarm Input: 1 channel In: 5mA 5VDC, Alarm Output: 1 channel Out: 300mA 12VDC, Pan/Tilt/Rotation Range: Pan: 0°–360°, Tilt: 0°–90°, Rotation: 0°–360°