Specifications:

Alarm: Yes 

Item Type: Wireless Doorbell 

Itercom: Yes 

Communication Interface: Wireless 

Sensor: HD 1.0 Mega Pixels 1/4 CMOS 

Resolution: 1280*720 

IR LED: 6 x 850mm 5M at night 

WIFI: IEEE 802.11 b/g/n(2.4GHz) 

Audio: Two-way talking with noise cancellation 

Storage: Support Maximum 32G TF Card (Optional) 

Battery: 2 x 18650 batteries (included)

What's Included:

1 x SmartBell 

2 x Batteries 

1 x Door Chime 1 x Screws 

User Manual 

Memory Card (If added. See Bundle Options)