Sainless solar vent SMARTVENT 300S

Automatic vent for aeration and venting using solar power.
This vent allows safe, permanent air circulation without tapping
into the onboard power system.
Integrated solar cells with 1.2 V / 600 m Ah storage battery for
day and night use.

The vent can be closed manually.

Stainless-steel cover, plastic body.
Function switch on the inside.