Silvercrest SUR 1 A1 Operation And Safety Notes page 9

Protection class III. The radio (excluding the
power adaptor) is to be supplied from a safety
extra-low voltage (SELV) power source.
∼
Alternating current
Direct current
Hertz (frequency)
Watts
V
Volts
Never leave children unattended with packaging
materials or the product.
This Symbol indicates to wear suitable protective
gloves! Follow the instructions to avoid hands
striking or being struck by objects or being in
contact with thermal or chemical materials!
GB/IE/NI 9