This is 2.4 Ghz Digital Night Vision wireless Baby Monitor. It is palm size monitor for mobility. 100% Digital Wireless, Private, Secure Signal. It can Expandable up to 4 Cameras. With it, you can watch your children's act if you have two or more children. For your baby's safty and for your convenience, you can not miss this chance to have one.

Features
2.4 Ghz Digital wireless Baby Monitor
100% Digital Wireless, Private, Secure Signal
Multi Channel Viewing
Expandable up to 4 Cameras
SD Card Recording
Buit-in Rechargeable Battery in Both The Cameras & Receiver
Sound Activated Alert
Night Vision
200 Meters Outdoor Range Maximum
2 Way Audio

Specification:
Transmission Frequency: ISM 2400-2483 MHz
Transmission Power: 15dBm
Unobstructed Effective Range: 250m Outdoor/40m Indoor
Spread Spectrum: FHSS
Modulation Mode: GFSK
Operating Temperature: 32℉-122℉/ 0℃ - 50℃
Operating Humidity: <85%

Camera:
Imaging Sensor Type: CMOS
Picture Total Pixels:  640*480pxl[NTSC]
Minimum Illumination:  3lux[IR on]
Night Vision Distance:  3m
Lens:  4.0mm
View Angle: Diagona60°
Operation/Charge Current : 270mA / 280mA
Power Supply: 5V USB
Dimensions [W*D*H]: 68mm*81mm*100mm [with antenna]

Receiver:
Resolution Supported: 320*240
Receiving Sensitivity:-81dbm
Operation/Charge Current : 270mA / 500mA
Power Supply: 5V DC
Dimensions [W*D*H]: 77mm*28mm*125mm

Package include:
1x Receiver
1x Lithium battery
1x Camera
2x Power adapter
1x USB line (Mini)
1x Operating Instructions
1x CD
1x Antenna