... time every ten seconds.5. Means of use:1) How to put battery : open the lip of bottom . put ... will go out .at the beginning ,it will work about 30 minutes . then it will enter circle state ... , and working for a long time . it can work Automatically and cycling ,the Indicator flash one time every one ... you press the button on/off , products will stop work, After a time , the indicator will become red , ...