{"product_id":"tremshield-faraday-key-box","title":"Faraday Box for Car Keys + 2 Signal-Blocking Pouches","description":"\u003cp\u003eMost homes keep the car keys in a bowl by the front door, a few feet of wall from the driveway. A key fob is a small radio that keeps talking while it sits there. Relay gear picks that signal up outside and passes it to the car, which opens for a key still in the hallway. Help Net Security reported in June 2026: \u003ca href=\"https:\/\/www.helpnetsecurity.com\/2026\/06\/05\/keyless-car-theft-protection\/\"\u003e“A relay attack runs in under 30 seconds and leaves the car with no broken glass and no damaged locks.”\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003eThe TremShield Faraday Key Box is a hard box lined with conductive shielding fabric. Drop the fob in, close the lid, and the lining blocks the signal it gives off. An amplifier out on the driveway has nothing to reach, so there’s nothing to copy across to the car. No battery, nothing to pair. It works by being closed.\u003c\/p\u003e\u003cp\u003eIt goes where the bowl goes, so nobody learns a new habit. Two lined pouches come with it for a pocket, a bag or a hotel room. Check it yourself in a minute. Fob in, lid shut, then walk the box out to the car. It should stay asleep. If it wakes up, the lid wasn’t shut all the way or the fob wasn’t fully inside.\u003c\/p\u003e\u003cp\u003eThe limit, plainly. It only blocks while the keys are inside with the lid shut, so a spare fob in a coat pocket is still in the open. And it isn’t a lock: it stops the signal being borrowed, not the car being broken into. It covers the keys by the door. The glass they sit behind is a separate job, and that’s where a \u003ca href=\"\/products\/tremshield-vibration-sensor-alarm\"\u003eTremShield Alarm\u003c\/a\u003e goes, firing 125dB the moment the pane is pried or rattled. The box makes the keys useless from the driveway. The alarm makes the house loud.\u003c\/p\u003e","brand":"TremShield","offers":[{"title":"Default Title","offer_id":45559889952944,"sku":null,"price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/0716\/7920\/files\/faraday-box_1.jpg?v=1788415157","url":"https:\/\/tremshield.com\/products\/tremshield-faraday-key-box","provider":"TremShield","version":"1.0","type":"link"}