About this item

• HB6550 updated to HB6550Pro, with longer battery life. 
  BUT they are not compatible, please share us your Amazon order ID, 
  or the S/N on the back of your monitor for the Extra camera.
  
• NOT Compatible with Other Model Baby Monitors. Only for HelloBaby Baby Monitor HB6550.
• Additional Camera Unit pairs with HelloBaby baby monitor (5" model HB6550, not HB65)
• Features remote pan/tilt/zoom, night vision, remote thermometer
• Expand up to 4 camera units per monitor unit