Attachable 12-volt car battery fan heater for thawing out a car's windscreen has a timing switch for switching the fan heater on and off at a specific time

摘要

A timing switch (2) set at a desirable time switches a fan heater (3) on and off. The heater is held in an attachable compartment in a casing (4). An attached rechargeable 12-volt battery (5) supplies power separate from the car's battery and has no plug-in cable lug but an attachable collar.