Features:Wide-angle HD video.Night Vision.Motion-activated Alerts.Wi-Fi Compatible.Mobile Access.Weather-resistant.Lifetime Purchase Protection.Easy Installation.Rechargeable battery. Specifications:Voice:two-way voice intercom Image:HD 720P(1280Wx720H)Night VisionDistance:>3M Network:2.4GAlarm:Alarm by motion detect,voice acticated alarm Behavior:Keep record in mobile phone by