SEVEN STARS ELECTRONICS TAIWAN LTD.
Bellbox
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TK-428: 6~12V DC, 126 dB at 1m |
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TK-438: 6~12V DC, 126 dB at 1m, 90 flashes/min |
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TK-820: 12V DC, 116 dB/1m, double xenon tubes, rechargeable battery circuit. . . |
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PH-820: assembled with piezo |
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TK-800: 6~12V DC, 120dB at 1m, 90-120 flashes/minute |