Features: *High resolution 2.4-inch LCD display,2.4GHz transmission frequency. *Temperature monitor: 24-hour temperature monitor,know your babys room temperature all the day long without worries! *4 kinds of adjustable brightness,3 lullabies playing for your baby. *Two way audio monitoring, you can talk to your baby with clear sound quality whenever and wherever you are. *Supports long distance transmission:Max to 200m-300m in empty area.SupportPairingfunction,one receiver can be connected to 4 transmitters max. *LED switch can be control,so in this case,it also can be used as a night light. *VOX(voice control) and auto wake-up function,if the volume from the baby's end reaches to a certain level will trigger the LCD receiver(after the displayer goes black,it will automatically light up when receiving sounds) to inform parents to check on the baby.