Features:
Wireless Colour Video Doorphone
Mobile Handset with 2.4 TFT-LCD Screen
Unlock doors & gates remotely for visitors
Range in free field 300 meters
12 Selectable Ringtones
Handset to Handset Communication (Paging)
Infra Red Camera in outside call station - see callers at night
Expand to a 2-way system by adding a call station & Handset
Rechargeable battery via mini USB interface
Standby status 72 hours
Easy to install
Built-in Surveillance Mode Function

Specifications:

Item No. KC-3124K
Price 140 USD
Transmission Frequency 2.4GHz ISM digital public frequency band: 2402~24853.5MHz
Transmission Distance 300m in free fields
Door Station
Image Sensor 1/4" CMOS
Min. Illumination 0 Lux (IR on)
Power DC 5V/1A
Current 20mA~30mA (standby), 190m A (operation)
Audio Input 12-digits digital audio signal, DAC interface, 8Kbps sampling speed rate
Image Compression MJPEG compression
Transmission Power 16~20 dBm
Ringing tone 12 songs for option
Dimension 127mm*95*37mm
Weight 150g

Monitor
Screen 2.4" TFT LCD
Effective Pixels 320*240
Power Source DC4.5V/1A (rechargeable battery operated)
Battery Charging Time For the first time, it is 7~10 Hours; Later around 4 hours
USB port For battery charge
Current 20mA~30mA/3.7V(standby), 170mA (Operation)
Receiving Sensitivity -90dBm
Dimensions 102.5mm*66.5mm*18mm
Weight 150g