Goodknight Gold Flash System comes with an intelligent heater system and powerful liquid vapouriser India’s most powerful liquid vapouriserVisible powerful Gold Flash vapours on Flash modeRelease visible Flash vapours for 30 minutes on Flash mode, then automatically switches to normal modeEvery four hours switches from normal mode to flash mode. Are you having sleeping problems due to insects? Then opt for Good Knight Gold Flash Mosquito Repellent Refill. It protects you and your family from diseases that are transmitted by mosquitoes. It has an advanced formula that causes no effect on the human body but kills the insects. It helps to keep your house mosquito-free all day and every.