Temperature range
The watch works in temperature
from -10°C to + 50°C. The service
life of the rechargeable battery is
reduced at extreme temperatures
(outside the range 0°C–25°C).
Mobile phone/GSM
GSM Dual Band (900 MHz and
1800 MHz). Please do not attempt
to activate an emergency call
from your Limmex Watch when
flying, in hospitals or if you have
a pacemaker as this will typically
contravene safety rules.
The telephone function of the
Limmex Watch is completely
switched off in normal operation
and does not emit any radiation.
The Limmex Watch contains a
non-replaceable SIM chip.
Battery/rechargeable battery
The Limmex Watch contains a
rechargeable lithium-polymer
battery for emergency calls.
Do not connect the charging
unit via the USB connection of a
computer. The watch movement
has a separate, non-rechargeable
battery with a service life of up
to four years. This may only be
changed/replaced by Centra Pulse.
Service level
A maximum of 15 emergency
calls per year are covered by your
monthly fee. We will contact you to
discuss any calls made above this
rate, and may potentially increase
your monthly fee.
Technical details
0300 333 6511
If you require any technical help,
please contact us on
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