Hikvision Wi-Fi bullet IP camera and 2MP resolution. 2.8mm fixed lens. IR LEDs range 30m. 1/2.8" CMOS sensor with progressive scan. Built-in 2.4G Wi-Fi dual antenna, range up to 120m in open area. Built-in microphone and speaker, supports two-way audio. Compression H.265+ / H.265 / H. 264+ / H.264. IP66 waterproof and dustproof protection. Built-in micro SD / SDHC / SDXC card slot, up to 256 GB. Power supply 12 VDC ± 25%. Dimensions 175.6 x 73.0 x 89.1 mm