... /OFF” button ,the product is working properly when the green indicator light up interval of 3 seconds3. Press the “MODE” button, choose ... different mode settingsMODE 1: Press the MODE button, the power indicator will light up in green, after work continuously 30 mins, it ... hours.MODE 2: Press the MODE button, the power indicator will light up in orange,after work continuously20 mins, it will go ...