SourceTon Collapsible Cross Design Silicone Trivets in Cute Colors, Silicone Pot Holder Motion Will it work through walls

Will it work through walls

Battery operated with 2 AAA batteries (not included)

no electrician

Even people who have never installed can easily do it correctly

SourceTon Collapsible Cross Design Silicone Trivets in Cute Colors, Silicone Pot Holder Motion Will it work through wallsHEAT COLD ISOLATING: Protects your kitchen counter top and table from heat cold damage. NOTE: COLOR may various. Key Features NON STICK AND NON SLIP: FDA approved food grade silicone, heat resistant up to 500 F, safe for ovens, microwave ovens, dishwashers and freezers. MINIMUM STORAGE SPACE: Easy To store and clean: fold up, hand wash or dishwasher. MULTI PURPOSES USAGE: Use for dinner table kitchen hot dishes, pan, pot, bowl, also can be used for