40212-BX - COLE HERSEE - 12V DC Negative ground. Can be used with two input sources to warn of two different monitored conditions! Sounds at two different rates: one sensor triggers a fast-rate alarm, the second actuates a slower rate alarm tone. Loud! Minimum sound level: 90dB. Lightweight molded plastic housing. Solid-state circuitry. Size: 2.005"L x 1.185"W x .930"H (50.4 x 30.3 x 23.6mm). Plugs into Delphi (Packard) 12033871, or accepts individual connectors for 1/4" (6.4mm) blades. (Not supplied) Offsite info on Marine Ignition Switch wiring Property Value Description Dual Rate Alarm