Specification :

2.4G lauch frequency, the power is no more than 20dbm, non-obstacle remote control is rough150-180m;
With micro-dealing technology; auto-remote control, fine characteristics and high reliability;
The TFT 2.4" digital color display screen for indoor video intercom;
CMOS 30 pixel camera for outdoor phone;
Clear night-viewing, 24 hour monitoring, calling , speaking and unlocking remote controlling, etc;
One indoor video phone can control Max.5 pcs outdoor phones at most;
USB delivery for indoor video phone and many Li-ion rechargeable batteries;
Indoor video phone can take/ save/ view photos with above 500 photos at least by internal memory;
English language operation option;
MiniUSB for Indoor video phone which settle high capacity lithium ion rechargeable battery.