KEY FEATURES Nebulizing technology delivers pure, consistent home fragrance that doesn’t fade. Whisper quiet and energy efficient. Programmable weekly timer that allows different times and density of the scent. Security lock for the fragrance compartment. Ideal for small-medium places such as an office, house, business and more. Can be used inside or outside an A/C unit Empty refill bottle (included)  Air conditioning connection hose Oil fragrance management opening keys SIZE AND CAPACITY Designed for spaces from 100 to 2000 sq.ft. Holds 150ml of diffuser oil  POWER: VOLTAJE: WEIGHT: COVERAGE:100-2000 SqFt