■ It is a smart Walkie Talkie. But no push to talk required by your self. It will automatically push to talk the rate of 100 time per Second. So that you feel full duplex communication. And also Transmission and Reception ratio is only 1:5 (compression technic) so that very low power consumption. and also we using Dynamic transmission power selection so transmission power depends on communication range. Each phone they have reprogrammable 1 to 9 digit number
■ Small hand held handset. Weight :60gm including battery. 10 Hours Talk time 2-3 days Standby. Ideal for : Hotels,Villas Apartments Door Phone, Apartment flats, School, College, Multistory Building, Lodges, Works site, Hospitals, Banks, Factories, with in Ship, Cruiser, with in Vehicles, Houses, etc. (900Mhz Mobile Models and 900Mhz Desktop models are compatible with each other.