Specifications:\r\n♦ Product Name: 38W U\\/ Dis1nfection Lamp\r\n♦ Use time: 15/30/60 minutes for area of 20/40/80 sqm\r\n♦ Use occasions: school, hospital, house, office\r\n\r\nHow to use?\r\n1. By the butoon on the lamp\r\n1. Press once, the light will turns to red,the working time is set to 15 min\r\n2.Press Twice, the light will turns to green,the working time is set to 30 min\r\n3. Press Thrice, the light will turns to white,the working time is set to 60 min\r\n\r\n2. By remote Controller\r\n1. Press \"on\" button.\r\n2. Press 15, 30 or 60 button.\r\n3. The lamp will rapidly beep for 30 seconds and then light-up (illuminate).\r\n\r\nWarm Tips:\r\n1. Please do not look at the light closely in case of doing bad to your eyes.\r\n2. Ventilation: Please ventilate the room for 40 minutes after use because the product is equipped with the ozon model.\r\n3. Reference Time For Use:Kitchen/Bedroom/Toliet 15-30min Living Room 60min per day.