Anti-Surveillance Mini RF Wireless Frequency Scanner Keychain (20MHz~4.5GHz)

Anti-Surveillance Mini RF Wireless Frequency Scanner Keychain (20MHz~4.5GHz)

US$ 15.56 Free worldwide shipping!
DealExtreme
- Detects radio frequency transmissions nearby (approx 20 meters radius) - Range: 20MHZ~4.5GHZ - Powered by 2 x CR2032 batteries (included) - Red LED flashes when any signal is detected Dimensions: 1.77 in x 1.1 in x 0.51 in Weight: 1.34 oz