?SATISFACTION GUARANTEE?:As the glass diffusers is fragile, If they are damaged in any way upon arrival, please contact us promptly for a free replacement, return, refund. QUALITY ASSURANCE?:1 year glass aroma diffuser parts and service warranty should you have any issues with your diffuser. We are committed to providing exceptional customer service ,contact us directly if you are not completely satisfied with your purchase. ALL IN ONE FUNCTION?:Aroma glass diffuser,Humidifier, night light, moisten skin, to lift your mood,relieve stress and improve sleeping,let your family from excessive dry air.It equip with glass brush and easy to clean. EASILY OPERATION?: Aromatherapy wood and glass diffuser with 1 gold plated button,easy to use, Our wood glass design is perfect for any decor. Your friends and family will love this cool glass essential oil diffuser. It is the perfect gift for mom/girlfriend. WHISPER QUIET?:With ultrasonic technology diffuser(<35dB) and you can have a better quality of sleep, work and study. As the pace of life is increg, people may easy to be tired, anxious and hard to get sleep, add several drops of lavender oils to relax your body and fall asleep faster. ROMANTIC MOOD LIGHT?:Levoair glass essential oil diffuser has 7 soothing colors,set the perfect mood light for you, creating atmosphere, meditation that soothes all your senses. Great night light for young children who scared of dark at bedtime.If you don't want to be disturbed,long press the buttom for 5s and then it will turn off the lights. 4 TIMER&AUTO POWER-OFF?:Our glass cool mist diffusers designed with waterless auto shut off function,4 timer setting and you can choose between 1 Hour, 3 Hour, 6 Hour, and always on .Perfect for bedroom, bathroom, living room, office,study, spa, yoga room, or studio,etc.. GLASS RESERVOIR/COVER & WOOD BASE?:The world's largest glass water tank aromatherapy diffuser made in hand blown glass cover/cotainer&wood base ,it features glass will not absorb essential oils,ensures the quality and effectiveness of the essential oils remains optimal, it‘s safe for babies and pregnant.