KKmoon 4CH Channel Full HD 1080P POE NVR Enregistreur vidéo en réseau + 4pcs 2.0MP Megapixels POE étanche à l'air extérieur Bullet IP Camera support P2P IR-CUT Filtre Infrarouge Night Vision Android / iOS Application Détection de mouvement pour système de surveillance de sécurité CCTV (disque dur non inclus)
Features:
*Wireless smart voice doorbell, talk with visitor via two-way voice intercom,which let you know who visits your home and talk to them and let them know I'm coming, please wait.
*1 receiver and 1 push button,talk between receiver and push button via wireless connection within a large range(outdoor bell:200m indoor bell:5-50m without any obstacle),stable transmission signal to make voice clear.
*Receiver support rechargeable battery,transmitter supports 4*AAA battery last up to Approach 4 months(transmitter 4*AAA batteries are not included).
*It's widely used for office and house, get know who is outside, and convenient for the elder who needs much more time to open the door, very practical.
*Easy to install and use,visitor presses the outside doorbell, after getting ring, you should press the button one time on receiver to get connected and then hold to speak,release it after finishing.
