This kind of door entry systems consist of one outdoor camera and two indoor monitors,you could put it at your bedroom,parlour and so on
1. World Public Frequency 2.4G data Voice, image transmission
2. Full-duplex hands-free voice call, voice loud and clear
3. Visiting key wake up call, standby power-saving sleep
4. 83 effective communication channels, conversation can be stable in any environment
5. Improved frequency-hopping technology,super error-correcting and anti-jamming capability
6. Consistent with national certification standards CE, CCC, FCC, R&NTTE
7. Ultrashort built-in antenna design, fashionable and attractive shape
8. Super-infrared night vision video surveillance capability
9. With Automatic image storage, photo taken function.