Clean and elegant, the Stone Diffuser doubles as a beautiful decor piece and safe candle alternative. Customize the scent to fit your routine and mood, whether you choose an invigorating essential oil to help you wake up or a calming aroma to wind down. Its minimalist design works seamlessly in any space, from your bedroom to office. Country of Origin: China Specifications: - Run time: consistent 3 hour or intermittent 7.5 hour - Ultrasonic technology: 2.5 vibrations/second - Includes 5' power cord (must be plugged in for use) and measuring cup - BPA-free plastic water reservoir