RollerFeeder squirrel powered.
Guaranteed squirrel proof
Entertaining mechanical design spins
squirrels without batteries or motors - the squirrel is the battery &
Spins year-round, in any temperature,
-40 or over 100F without failure.
Environmental, nothing goes to landfill,
Motor driven, battery powered,
Requires either periodic battery recharge, battery pack
exchange, or replacing/discarding spent batteries.
Rechargeable battery pack or power stick cost up to
Ongoing cost for throw away batteries or charging.
Requires monitoring battery "useful
Severe temperatures impact batteries useful life-span
or useful charge.