Specifications:
Indoor Host:
Display: 3-inch LCD screen
LCD Resolution: 720P
Power Supply: 3.7V 1500mAh BP-4L Li-ion battery (included)
TF Support: 8G-32G (not included) 
Indoor Host Size: 135*76*16mm/5.31*2.99*0.62in
Indoor Host Weight: 116g/4.06oz

Outdoor Peephole:
View Angle: Horizontal 125°; Vertical 90°
Pixel: 1.3 MP
Night Vision: 2pcs IR LEDs
Night Vision Distance: About 3-4M 
Door Hole Size: 15~55mm
Door Thickness Size: 35~105mm
Outdoor Peephole Size: 62*62*15mm/2.44*2.44*0.59in
Outdoor Peephole Weight: 26.5g/0.92oz

Others:
Material: ABS
Color: Silver, Black, Gold (Optional)
Package Size: 19.5*10*6.5cm/7.7*3.9*2.6in
Package Weight: 265g/9.37oz

Package List:
1* Indoor Host (battery included)
1* Peephole Camera
1* Set of Mounting Screws 
1* USB Cable
1* English User Manual

Product Features

• *3″ LCD screen indoor doorbell with one outdoor peephole camera (with doorbell call button on peephole), elegant and practical design.
• *Support 1.3 MP photo taking and audio video recording, clearer image displaying. Supporting Maximum 32G TF card (not included). Support local image or video viewing.
• * Support IR night vision function, it still takes clear photos when the lights are dark.
• *Support two power supply ways. Battery or USB cable (both included).
• *PIR motion detection for automatic photo taking or video recording. IR night vision, super low power consumption.