| The speaker is 36mm in diameter and wired 7 inches from the circuit. The Siren Circuit is 20mm square by 10mm high. A momentary switch is already pre-wired. Press the switch once for the 1st sound, again for 2nd, etc. 5th press turns it off, or it will turn off automatically after 2 minutes of operation. New! Watch us install this police siren in a 1:18 Crown Vic!! |
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Check out the Siren Installed in this 1:18 Undercover Crown Vic | "man I love the siren....reminds me of being back on the road" == patrolman The 2 power leads connect to any 9 volt DC battery source If you plan to run this realistic siren circuit plus your own lights in your police car off one 9V battery, we include directions. |
| NEW! use a 12-18V transformer! You can power this siren easily and conveniently using the existing power supply from your model train layout. Select the 18VAC option when you add to cart. |
