This wired WiFi doorbell supports both the 2.4 GHz and 5 GHz WiFi bands to ensure a more stable connection. Simply place them anywhere within WiFi range. You can also connect the to your existing doorbell wiring. A 15° wedge is included so you can adjust the angle. The doorbell can only alert you when a person is detected and ignores insignificant non-human passers-by. You can also set a motion zone to obscure areas prone to unnecessary alarms. HIGHLIGHTS Stay awake at night The infrared LEDs enable high-quality night-time recordings. So you know who's there, even in the dark. Fast, immediate, communicative Reolink Video Doorbell WiFi has built-in microphones and a speaker. Take time to greet the visitor before rushing to the door, deter unwanted visitors without delay, or talk live to visiting friends when you're not at home. Recording before the "action The doorbell camera starts recording before actual detection occurs. 6-second colour video footage before the alarm can greatly help you: learn possible causes or increase the likelihood of criminal identification. Flexible storage options You can store your footage locally on a microSD card (up to 256GB) or on a Reolink NVR. If you are worried about losing the storage media, you can also save the events to Reolink Cloud.