The C3W (ezGuard) a Full HD wall-mounted outdoor Wi-Fi camera, uses a built-in strobe light and alarm for deterrence, while also offering two-way talk and durability in any type of weather. Want to keep a close eye on your home from afar? Leave the C3W (ezGuard) in charge to notify you when you have visitors. If you know them, talk to them, if not, use the siren to scare them away. Not every outdoor security camera supports two-way audio. The C3W (ezGuard) comes with a built-in microphone and HiFi quality speaker for enhanced two-way talk.