Fisher Price Time for Sleep 900 MHz Monitor The ‘Better’ Monitor from Fisher-Price features a new contemporary look with the addition of a nap timer and clock to already-great 900 Mhz performance. It features 900 ft range and 4 channels to ensure a clear channel can be found. A digital nap timer and clock keep track of baby’s sleeping habits. Nightlight has a 30min time out The receiver LCD displays a low battery indicator for both units and a nightlight indicator Out of range indicator LED with audible beep Sounds lights on both sides of the receiver so mom and can ’see’ sounds even when out of earshot Volume is easily adjusted with a mom-friendly knob, and both units are battery powered or DC plug in All plugs have energy saving adaptors