203.107.004   12V w/3 Tone  70 dB
203.107.010   12V w/3 Tone  90 dB

Forgetting the headlights or the radio on makes it difficult or even impossible to start the car, as it consumes battery on a stationary position. ELO Warning Buzzers of 203.107.004 and 203.107.010 are designed to warn the driver for such instances. The difference between the two buzzers is the diameter of their Piezo with determine the sound level. While 203.107.004 has sound level of 60 dB and 203.107.010 produces a sound level of 90 dB.  Both ELO Warning Buzzers have 2 terminals of (+) and (-). The buzzers may be used for variety of applications such as to warn the driver that the car is in reverse gear, hand brake is not engaged, the headlights are on, the seatbelt is not fastened, and many more. There are also various ELO Warning Buzzers w/ 4 Tone with (-) and (+) trigger in 12V and 24V.

Click Technical Specs for more information on ELO Warning Buzzers.