Yealink SIP-T53W Prime Business Phone

> 4-MP 1/2.7" CMOS image sensor, low luminance, and high definition image. > Outputs max. 4 MP (2688 × 1520) @25/30 fps. > H.265 codec, high compression rate, ultra-low bit rate. > Built-in warm light and IR LED; the max. IR illumination distance is 50 m and warm light distance is 40 m. > ROI, SMART H.264+/H.265+, AI H.264/H.265, flexible coding, applicable to various bandwidth and storage environments. > Rotation mode, WDR, 3D NR, HLC, BLC, digital watermarking, applicable to various monitoring scenes. > Intelligent monitoring: Intrusion, tripwire (the two function support the classification and accurate detection of vehicle and human). > Abnormality detection: Motion detection, privacy masking, scene changing, audio detection, no SD card, SD card full, SD card error, network disconnection, IP conflict, illegal access, and voltage detection. > Alarm: 1 in, 1 out; audio: 1 in, 1 out; supports max. 256 G Micro SD card; built-in dual Mic; built-in speaker; support two-way talk. > 12 VDC/PoE power supply. > IP67 protection. > Sound and light alarm (red and blue lights). > SMD 4.0. > One-tap arming/disarming through alarm input.