TIPS ON SPEEDLIGHT CARE ---------
-To remove dirt or fingerprints, wipe with a dry soft or silicon-treated cloth . Never use thinner, benzine or alcohol, since they might damage the plastic parts . To clean the Wide- Flash Adapter, wash it with soap and water. Never use a brush, as this may damage it.
-If you do not plan to use the unit for more than two weeks, remove the batteries to avoid possible damage to the circuitry by battery leakage. If leakage should inadvertently occur, take the flash unit to your nearest Nikon authorized service facility.
-To prevent damage to the flash unit 's electronic circuitry, keep the camera away from places where the temperature is likely to go higher than 50°C, such as inside the trunk of a car in the hot summer sun ; also do not store the unit in exceptionally damp places. Use the 88-16 within the range of -1Q°Crv+50°C.