Working Alone & Compatible with Hiseeu Wireless Camera System: Hiseeu TZ-HB312 can be directly connected to 2.4GHz WiFi, and use it to watch the camera image on Eseecloud mobile APP supported two-way audio function with DC12V power adapter. HD 2K & Night Vision Motion Detection: Hiseeu TZ-HB312 IP Camera Full HD video quality -resolution images in 3 megapixel featuring 3.6mm fixed lens, up to 78 wide viewing angle, with 3 array IR-LED, 18 infrared 850nm lights. Two-Way Audio & Easy Remote: Hiseeu Bullet Security Camera Build-in Microphone and Speaker, clearer sound quality and allows you to communicate with welcomed guests. Alarm & Playback: Hiseeu Outdoor surveillance Camera allows to record motion alarm through APP, and you can adjust the motion sensibility to avoid most false alarms. IP66 Weatherproof & Vandal Resistant: IP66 professional home security camera can withstand temperature ranges from -13°F to 122°F.