Always know what~s happening at your door with the SimpliSafe Video Doorbell Pro. Its crystal-clear 1080p HD video and 162~ field of view give you a clear shot of your property 24/7. Two-way audio lets you hear and speak to unwanted guests (and welcomed ones too) - even when you're not home. Have the SimpliSafe App? The Video Doorbell Pro will send instant alerts whenever someone approaches. And with Smart Person Detection, it can tell the difference between people, vehicles and animals. That means you only get the alerts that matter. Plus, when backed by 24/7 professional monitoring, you~ll have experts who are ready to request emergency dispatch when you need it most. This camera is designed for all weather extremes~so you're still protected in rain and snow. (Compatible with the SimpliSafe Gen 3 security system. Requires Wi-Fi (2.4GHz) and existing wired doorbell setup with mechanical chime and a transformer with 8-24 VAC, 30VA max. Not compatible with digital chimes.)