SM3 Electronic Police Siren Kit
Realistic POLICE SIREN KIT
Ramsey Electronics Model No. SM3
Runs on 6 to 12 volts. Drives any speaker. Two volume levels, 250 mW and 5 Watts. Easy to build two transistor circuit teaches too! Duplicates the upward and downward wail of a police siren. Great for alarms, kids toys, bikes, go-karts, etc. Easily built by all ages! Ramsey Customer Use Only Not For Publication Kids love it!
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