... switch is off constantly in the daylight and when strong light can not stimulate circuit. 2.3. Auto builtin time delay ... be used at: school, hotel, hospital, dormitory, corridor, elevator, balcony, bathroom, storage, basement, garage.4. Technical data:4.1. Input voltage ... surface of inductor . Don’t let any liquid into the light to avoid short circuit or leakage of electricity.7.5 ...