Power: 4W, Bucket: 175ml, suitable for rooms 10-15m2, continuous evaporation time 8 hours, advanced ultrasound technology 2.4MHZ, 7 colors led lights, automatic deactivation without water, use only 100% natural essential oils, power supply IN AC 220- 240V 50 / 60Hz OUT DC 5V, size: 105X105X180 (mm)