Special Feature1. The LED flashlight bulb has function of �����옙占������옙占�mperature Auto Control Power).That means the output power of bulb driver will be controlled automatically by different bulb temperature, which will enable the bulb to fall down the temperature and work in the best state.2. The LED flashlight bulb has function of reverse polarity protection. That means when connect the anode and cathode of power supply reversely, although the bulbs do not work, it will not be damaged.