The frequencies of these Crystals are not allowed in Europe. The sale of these plug-in crystals made expressly for export to non-European countries.
The buyer guarantees by his order against the seller that are not used within the European Community and the crystals are brought into the non-European countries.
Set plug-in crystals consisting of quartz for the RX and TX board quartz for the remote control.
Caution: Always buy only one set of crystals, unless you want to buy more and increase the number of pieces.
Use under direct adult supervision only.
Age recommendation: 14+
Not suitable for children under 36 months of age. Choking hazard due to small parts.