wireless video door phone with remote unlock

* DIY Easy to Install
* Able to view, talk and unlock the main entrance from any room in your home
* Portable size to carry
* 2.4GHZ wireless video intercom and surveillance
* Portable handfree video color monitor
* Infra red camera on outside call station - see callers at night
* Intelligent remote unlock for visitors/guest
* Rechargeable battery via mini-USB interface, standby status for 72 hours.
* Able to intercom between each portable monitor
* 300 meters transmission distance (without interferences)
* Full duplex audio mode
* 2.4 inch TFT-LCD portable indoor monitor
* IR camera (night vision)
* Expand to a 2-way system by adding door call station and a portable handset
* 12 selectable ring tones 

Door Camera Station:

Image Sensor - 1/4" CMOS
Minimum Illumination - 0 LUX (IR on)
Power - DC5V/1A
Current - 20mA~30mA (standby), 190 mA (operation)
Audio Input - 12-digits digital audio signal, DAC interface, 8Kbps sampling speed rate
Image Compression - MJPEG compression
Transmission Power - 16~20dBm
Ringing Tone - 12 Ringtone Choices
Dimensions (H x W x D) - 5" x 3-3/4" x 1-1/4" (127mm x 95mm x 37mm)

Handheld Monitor:

Screen - 2.4 inch TFT LCD
Effective Pixels - 320 x 240
Power Source - DC4.5V/1A (rechargeable battery operated)
Battery Charging Time - For the 1st time, 7 - 10 hours, afterwards around 4 hours
USB Port - For Battery Charge
Current - 20mA~30mA/3.7V (standby), 170mA (Operation)
Receiving Sensitivity 0 -90dBm
Dimensions (H x W x D) - 4" x 2-5/8" x 3/4" (102.5mm x 66.5mm x 18mm)

2.4GHz digital wireless video door phone, has the following fetures:

wireless video door phone with remote unlock
Color Hands-Free Digital Wireless Video Door Phone System
Clear video and audio