Freedom to add surveillance cameras. Additional cost per camera: 3500 yen. Up to 8 cameras. 【Two-Way Talk】Built-in audio pickup eliminates the need to purchase a separate sound collection device, saving costs and increasing recording functionality. By connecting the main unit to a monitor via HDMI/VGA cable, you can play back not only real-time audio but also recorded videos with sound, enabling audio and video monitoring. Video data with sound can record malicious intrusions at night or when you are away, serving as valid evidence for confirmation by the police or lawyers. The camera is equipped with a speaker, allowing two-way communication via Android or iPhone mobile apps. You can talk to your children, parents, or pets at home while you are away or abroad, or talk to visitors or postal workers at home or while you are out. You can also deter suspicious individuals by speaking through the camera, ensuring the safety of your home. 【Enhanced WiFi & IP66 Waterproof】The wireless security camera has a built-in WiFi module and adopts an enhanced pan antenna, which provides a longer signal transmission distance than ordinary cameras. Connect to a stable signal and avoid frequent interruptions. You can use it immediately by turning on each power supply without complicated wiring work. Strong radio wave transmission distance: 100 meters outdoors, 30 meters indoors. With an IP66 waterproof and dustproof design and a versatile mounting base, it can be easily installed on ceilings, walls, etc., and is suitable for various indoor and outdoor installation environments. ★【Remote Monitoring & Motion Detection】This security camera is a full HD 1080P 8-channel wireless security system, allowing you to add up to 8 security cameras. The wireless security camera system has video storage and playback functions, and you can also monitor remotely while connected to the internet P2P support. If there is movement within the shooting range, you will be notified immediately. Real-time video is checked, and measures are taken to prevent crime and monitor the residence. Compatible with remote monitoring on PCs and smartphones (iPhone, Android, Windows Mobile). ★【High-Definition & Night Vision】The wireless security camera can be used in various scenarios, such as pet rooms, garages, shops, parking lots, offices, rooms, hospitals, and children's rooms. Equipped with a 3.6mm lens, the viewing angle is up to 120°. Effective high-performance CM