Kappa inch acoustic wireless remote control fire alarm fire bell remote sensing / / / inch

[the country's 25 provinces shipping limited buy one get three Howard Johnson set limit to 200] new upgraded version 4 inch 100MM remote wireless bell red 18 shipping Limited special offer, within 3 days, with a loud noise. The crisp, cost-effective, and 6 inch, 8 inch, 10 inch, 12 inch to match! Provide professional technical support (wireless remote wireless bell wireless alarm bell