2MP & 4MP WDR Vandal-Proof IR Mini Dome Network Camera (ф110 × 81mm) HDBW4231E-AS: 1/2.8'' 2MP STARVIS CMOS; 30fps@1080P; Lens 3.6mm; Starlight 0.005Lux HDBW4431E-ASE: 1/3'' 4MP CMOS; 30fps@4M; Lens 2.8mm; 0.02Lux H.265+ Triple-Stream; Micro-SD slot (Max 256GB), 16x Digital Zoom True WDR (120dB), 3DNR; IR LED up to 30m, Audio 1/1, Alarm 1/1 IP67, IK10, PoE. Smart Detection (Tripwire, Intrusion, Abandoned Object, Face Detect)