Indoor surveillance camera wv s2136l Outdoor camera wv s1536l Resolution: 2 Megapixel (Full HD approximately 1920×1080) Sensor: 1/2.8 CMOS Lens: Variable 2.9 mm – 9 mm (3.1x optical zoom) Night vision: IR LED up to approximately 50 meters Artificial Intelligence: Person / Car / Bicycle detection On-board motion analysis without external server Audio: Microphone support + AI Audio Detection (e.g., glass break / scream / horn sound) Smart Video Compression: To reduce storage and network consumption Dynamic Range: Up to 144 dB (excellent against strong lighting and solar backlight) Indoor surveillance camera wvs2136l