Panasonic LUMIX DMC-GX80 Operating Instruction page 338

Disposal of Old Equipment and Batteries
Only for European Union and countries with recycling systems
These symbols on the products, packaging, and/or accompanying
documents mean that used electrical and electronic products and
batteries must not be mixed with general household waste.
For proper treatment, recovery and recycling of old products and used
batteries, please take them to applicable collection points in accordance
with your national legislation.
By disposing of them correctly, you will help to save valuable resources
and prevent any potential negative effects on human health and the
environment.
For more information about collection and recycling, please contact your
local municipality.
Penalties may be applicable for incorrect disposal of this waste, in
accordance with national legislation.
Note for the battery symbol (bottom symbol):
This symbol might be used in combination with a chemical symbol. In
this case it complies with the requirement set by the Directive for the
chemical involved.