Simply connecting power for both units and allow 1-min for the units to link to each other. Crystal clear sound with digital wireless technology. The best reception can be obtained by placing units away from cordless phones or other electronic devices, and make sure the parent unit is 3 feet (1 meter) away from the baby unit. The parent unit is operated with the rechargeable battery or by AC power. A fully charged battery can operate up to 8 hours. As it takes up to 10 hours for the battery to be fully charged, turn the parent unit off while charging can help shorten the charging time. The parent unit is preset to plays an audio safety reminder when it is connected to a baby unit. You may turn it off by press and hold the volume down key for 8 seconds.
** Best-in-class Long Range ** The VTech DM111 Audio Baby Monitor's dependable long operation range covers up to 1,000 feet, lets you go about your day and stays connected with your baby from another room or even from the yard
** Upgraded Rechargeable Battery ** Parent Unit includes a built-in rechargeable battery that supports up to 8 hours of portable operation. With the belt clip, the Parent Unit can be attached to your pocket or shirt
** Easy Set-up Plug & Play ** Simply connecting power for both units and allow 1-min for the units to link to each other
** Easy to Use ** The speaker volume on the parent unit is easily controlled by pressing the up or down arrow keys. When the parent unit is in mute, the visual sound indicator will still indicate the sound detected from the baby unit
** 5-level Sound Indicator ** A set of five LED lights on the parent unit indicates the level of sound in your baby's room so you can visually monitor noise level with the receiver muted
** Sound Alerts ** The parent unit emits different alert tones for situations needed your attention: Low battery or Out of range, etc