... , press on/off will work in two seconds. 2. Press 2-3min work power, two indicator lights will turn bright, as ... work in super time, two indicator lights may appear flicker, it is normal. 3. ... OFF. It was dividing into feeling and with hand two ways, only close to that fan will start up. If you don ... press the ON/OFF. It will work/stop in two minutes. MY-SD20 9 Watt UV Lamp