Security Siren/Strobe (490-0478) Care and Maintenance Faxback Doc. # 15884 Light Your Radio Security Siren/Strobe Light is an example of superior design and craftsmanship. The following suggestions will help you care for your siren so you can enjoy it for years. Don't use or store the siren in temperature extremes. Handle the siren carefully. Do not drop it. Modifying or tampering with the Security Siren/Strobe Light's internal components can cause a malfunction and might invalidate its warranty. If your siren is not performing as it should, take it to your local Radio Shack store for assistance. (ALL-07/13/95)