1) Use magnet or hook to give light almost anywhere 2) Ideal for indoor, outdoor, camping, sports etc 3) Requires 3*AAA batteries 4) The batteries supplied with the light are for demonstration. 5) It is highly recommended to use alkaline batteries for replacement. 6) Dispose of old batteries safe 7) If the light can not be switched ON, re-check the polarity of each battery 8) Remove the batteries if the light is not used for a prolonged period