*2.4GHz digital wireless transmission, stable transmission signal.
*Built-in MIC and speaker for two-way audio monitoring.
*High sensitivity, the crying voice is easy to be heard and the lamp will turn on to inform parents.
*Easy pairing, plug and play in.
*Position the transmitter at a distance of about 1.5-2.0 meters from the baby.
*Both parent unit and baby unit can be powered by DC 5V or 3*1.5V AAA battery.