Camera doorbell: Get a smart video doorbell with a 32GB memory card! Wide lens: Features a full super wide-angle 1.7mm lens, with a 170˚ horizontal viewing angle. Easy set-up: With one-button Wi-Fi configuration and sound wave configuration. Standby time: About six months, based on use about 10 times a day. Two-way: With a two-way intercom to support real-time calling, with audio input and output. Clear: With automatic white balance, gain control and backlight, as well as night vision. Smart Video Doorbell & 32GB Memory Card | White | Living Social