Techno Line WL 1020 Manuel D'utilisation page 36

sunlight, dust or humidity.

Do not immerse in water.

Avoid contact with any corrosive materials.

Do not dispose this item in a fire as it may explode.

Do not open the inner back case or tamper with any
components of this item.
Batteries safety warnings

Use only alkaline batteries, not rechargeable batteries.

Install batteries correctly by matching the polarities (+/-).

Always replace a complete set of batteries.

Never mix used and new batteries.

Remove exhausted batteries immediately.

Remove batteries when not in use.

Do not recharge and do not dispose of batteries in fire as
the batteries may explode.
EN16