A handcrafted, Ultrasonic essential oil diffuser that doubles as a sleek simple piece of home decor, a brilliant alternative to candles and essential oil burners, with an optional warm coloured light that can be used whether the machine is diffusing or not. HOW TO Add 10–15 drops of pure essential oils to the stone ultrasonic diffuser. For cleaning and usage tips please look at this MANUAL the guys at Kotanicals put together for you! DETAILS Materials: Porcelain cover. BPA-free plastic water reservoir. Dimensions:Diameter 90mm x Height 180mm Power Voltage:Input AC 100-240 V Output  DC 24 V 0.5A Comes with a five-foot-long power cord that must be plugged in for use.  Run time: Two settings: consistent 3 hour and intermittent 7.5-hour. Water Tank Volume-100ml Safety: Automatically turns off when time is up or water runs out. Easy To Clean  Simply twist off the ceramic cover and wipe clean with a damp cloth to remove any dust or essential oil residue