This item uses 2.4GHz wireless digital technology, with no interference and high security and privacy.
It has a 3.5 inch TFT digital display screen and a selection of 16 different musical chimes (optionally a 24 chime model can be produced), all with adjustable volume. The

wireless antenna is built-in, and the codes to match the transmitter and receiver are selectable. The door lock output can work with 95% electronic locks.
Photos taken with the outdoor camera can be viewed indoors and you can monitor the outdoor scene at any time. With infrared lights, night visitors can also be recognized. The

house owner can take photos at any time whilst monitoring the external view.

Feature:
3.5"TFT LCD, digital audio and video transmission, Strong anti-interference ability

launch ,receive by digital encryption and ftrequesncy hopping technology to ensure privacy

Clear Dual-way audio communication

Built-in Lithium-ion rechargeable batteries for monitor and camera, calendar supported by a separate backup battery.

Stored pictures can be viewed on the monitor.

The range in open air can be 180m, but within a house with a number of walls, it is best to keep the distance between camera and monitor between 30m and 80m for optimum

performance.

Electronic thermometer function, the indoor monitor can show the outside temperature

Battery capacity, time and signal strength are display on LCD

Clear night vision function,even in the night also can see and talk with the outside visiters

Indooor monitor can be moved to anyplace, like office desk, bedroom or kitchen follow the master

One indoor monitor can connect with 4 outdoor cameras, and the same to the cameras.

A choice of 16 multi-chord tunes are available with adjustable volume.

24 hour monitoring function.

Time display.

Temperature display.

Rain proof design

Can unlock the door remotely using separate electronic lock

Brightness and Volume adjustment

Working temperature range -15degree until +55 degree, working humidity: no more than 85%.

Specification:    
Camera Lens
  CMOS 300,000 pixel
  Diagonal is 120 degrees
  Viewing Angle is 90 degrees

Night View: 6pcs LED light / Infrared Light 

Li-ion battery: 3.7V 1200mAh

Charge time: 3 hours. 

Standby time: 6 days
 
Input power: 100-240VAC 50/60HZ
 
Output power: DC 12V; 1A
 
Power :Standby :0.2W,Unlock:12W
 
Wireless transmitting range :Up to 200 meters in open terrain
 
Working Temperature  -15℃ ~ 55℃ / 59F ~ 131F

Channels: 18
 
Net Weight :140g / 0.3 lb

Dimensions: 3.5" W x 5" H x 1.2" D
 

Indoor Monitor
Monitor Screen :3.5 inch color screen
 
Resolution:320 x 240
 
Input power: 100-240VAC 50/60HZ
 
Output power:  DC 5V; 1A
 
Battery type : 3.7V 1350mAH Li-ion battery
 
Battery charging time: 3 hours (5 hours for 1st time charging)
 
Battery standby time : 5 days (fully charged)
 
Controls: Brightness; Volume; Contrast adjustments
 
Music: Built-in 16pcs doorbell chime selectable
 
Memory :Store up to 500 images of visitors

Net Weight :315g / 0.7 lb

Dimensions: 7" W x 5" H x 1" D

size:185 × 133 × 30mm

Material: ABS Plastic

Package Contents:
1 x CMOS Camera with 2.4 GHz Wireless Transmitter

1 x 3.5 Inch Screen Monitor with 2.4 GHz Wireless Receiver

1 x Wall Mounting Bracket for indoor monitor

1 x 100-240V Power Adaptor for indoor monitor

1 x 100-240V Power Adaptor for outdoor Camera

1 x English Version Operation Manual