faraday box rfid key fob protector signal blocking car key shield 3 sizes Color Name:2 A built‑in speaker lets you

A built‑in speaker lets you review recordings without extra kit

Weighing just 500g with compact dimensions (28

Lightweight and easy to position — listed weight 446 — and contains no high‑concern chemicals

Choose WAV or MP3 formats and a range of bit rates and sampling rates to suit your needs

Double‑sided checkerboard splicing design

faraday box rfid key fob protector signal blocking car key shield 3 sizes Color Name:2 A built‑in speaker lets youSignal protection for keyless fobs Keep your key fob safe from unauthorised scanning and radio frequency leakage. The box is designed to shield car key signals and prevent RFID information theft. Design and sizes Built with a carbon fibre exterior and internal anti oxidation shielding material, plus RFID shielding fabric for effective signal blocking. Available in three sizes: Small 11. 596. 2cm (175g), Large 1712. 39. 5cm (386g) and Extra Large