Abus FUBE50061 Manuel D'installation Et D'utilisation page 39

Important
Installation and operation
Incorrect or unclean installation work may lead to erroneous interpretation
of signals, the consequences of which may include false alarms. The costs
incurred by potential dispatches of rescue services, such as the fire service
or police, must be borne by the operator of the system.
The wireless key switch is usually powered by a 3.6 V lithium battery. You
can also directly connect the wireless key switch to a 12 V DC voltage
supply. If doing so, use a plug-in power supply unit, a flush-mounted power
supply unit or a powerpack unit.
Please observe the notes and instructions in this user manual! If you
do not follow these instructions, any guarantee claim is invalidated. Using
the device for purposes other than those described may damage this
product. The electronic component of the product may not be changed or
modified in any way. No liability can be accepted for resulting damage.
Important
Packaging

Keep packaging material and small parts away from children.
Risk of suffocation

Remove all packaging material before using the device.
EN 7