<b> 20 SOOTHING NATURE SOUNDS AND MUSICS </b><br> PPLEE white noise sound machine has an excellent built-in speaker that delivers 20 different high-quality sounds such as white noise, meditation music, guitar lullaby, gentle thunder, crashing waves, brahms, bach, chirping crickets, and nature sounds to relieve your insomnia or reduce ambient noise around you. <br> <br> <b> 4 TIMER INTERVALS FOR AUTO-OFF WITH ADJUSTABLE VOLUME & AUDIO JACK </b><br> When the machine is on, press the “TIMER” button to start playing the pleasant sounds continuously in a loop, or set automatic shut-off timer in intervals of 15mins, 30mins and 60mins. 15 volume levels can be adjusted to your desired personalized sound environment. Equipped with a 3.5 mm audio jack, allows you a better sleep at night or a refreshing nap in the office without disturbing others.<br> <br> <b> SEA FOREST NATURAL LAND PROJECTION WITH 7 COLORED NIGHT LIGHT </b><br> Turn on the top projector and you will see a colorful projected image of a land world & underwater world on the wall or ceiling, such as: cloud with rain, tree, flower, birds, butterfly, dolphin, fish, starfish, shellfish, jellyfish, sea grass and so on. Comes with a night light with 7 different selectable colors for your comfort, also useful to work as a bedside lamp if your kids are afraid of darkness.<br> <br> <b> 2 WAYS TO POWER - OUTLET OR BATTERY </b><br> Portable to carry this sleep aid toy around your home or even on a trip, we designed it with 3*1.5V “AA” battery operated, wireless style allows your kids to play and place it in any convenient location. You can also plug it into a 100~240V AC wall power outlet when available to save battery energy. The additional green light globe tail on the back is a great fun for touching. <br> <br>