Palace freshening device The latest fragrance device is suitable for large buildings and commercial markets, and lasts for a long time at any time Device features: The Palace Fragrance Device is the latest model of the Fragrance and Deodorizer device suitable for large buildings, supermarkets and mosques. Control time, fragrance concentration level, and location via a mobile app The Al-Qasoor fragrance device works with a cooling and nano feature to improve the purity of the essential oil You can program it to work at different times during the day Easy to use to spread the fragrance in a short time and last for long hours Coverage from 2500 to 3000 meters in high concentration Device contents: Color-changing indicator of the amount of liquid in the device The inner bottle capacity is 800 ml Perfume oil inner bottle 800 ml (enough for 1 to 6 months) Indicator to know how long the essential oil remains Product dimensions: 66*20.5*22 cm