Techno Line WT 235 Manual page 19

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Do not expose the unit to extreme temperatures, direct sunlight, dust or humidity.

Do not immerse in water.
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Avoid contact with any corrosive materials.
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Do not dispose this unit in a fire as it may explode.

Do not open the inner back case or tamper with any components of this unit.
Batteries safety warnings

Use only alkaline batteries, not rechargeable batteries.

Install batteries correctly by matching the polarities (+/-).

Always replace a complete set of batteries.
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Never mix used and new batteries.

Remove exhausted batteries immediately.

Remove batteries when not in use.
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Do not recharge and do not dispose of batteries in fire as the batteries may explode.
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Ensure batteries are stored away from metal objects as contact may cause a short circuit.

Avoid exposing batteries to extreme temperature or humidity or direct sunlight.

Keep all batteries out of reach from children. They are a choking hazard.
Use the product only for its intended purpose!
EN 9