A SERVICE OF

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few precautions:
Do not immerse the units in water.
Do not clean the units with abrasive or corrosive materials. They may scratch the plastic
parts and corrode the electronic circuits.
Do not subject the product to excessive force, shock, dust, temperature, or humidity,
which may result in malfunctions, shorter lifespan, damaged batteries, and damaged
parts.
Do not tamper with the product’s internal components. Doing so will invalidate the
warranty and may cause damage. The product contains no user-serviceable parts.
Use only fresh batteries. Do not mix new and old batteries.
Read the user's manual thoroughly before operating the product.