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ABRA has a vast inventory of alarm kits, siren kits, sound kits, sound activated kits, metal detector kits, etc. for students, teachers and hobbyists. All our kits are from well known manufacturers like Elenco, Ramsey, Velleman, CanaKit and EKI.

Alarms/Sirens/Sounds

Sort by: SKU Product Price Default Result pages: 1 2 3 4   See details Ramsey VS1 Voice Activated Switch Kit SKU: VS1 The Ramsey VS1 Voice Activated Switch Kit (VOX) will provide a switched output when it hears sound. Price: US$9.95 See details Velleman K6600 Multitone Chime Kit SKU: K6600 The Velleman K6600 Multitone Chime Kit is perfect for replacing that old doorbell buzzer and can handle three separate door sounds. Price: US$26.95 See details Car Light Warning System SKU: VEL-K3505 This head light indicator may be set for one or two functions. Price: US$18.99 See details Ramsey TS1 Touch Switch Kit SKU: TS1 The Ramsey TS1 Touch Switch Kit Drives loads up to 100mA and is great for light switches, radios, keyers, etc. Price: US$10.95 See details Ramsey SM3 Siren kit SKU: SM3 The Ramsey SM3 Electronic Siren kit exactly duplicates the upward and downward wail of a police siren. Price: US$8.95 See details MX610 Room Alarm Kit SKU: MX-610 Maxitronix MX610 Room Alarm Kit (non-soldering). Create a simple alarm to deter trespassers. Price: US$9.95 See details MX-510B Bell Action Kit SKU: MX-510B The Maxitronix MX-510B Bell Action Kit lets you discover how an electric bell is constructed and how it is made to ring. Price: US$11.95 See details Velleman MK172 LED Sound Activated Star SKU: MK172 The Velleman MK172 LED Sound Activated Star has a built-in microphone that picks up music and room audio and the LEDs respond just like a professional LED Vu meter. Price: US$25.95 See details Velleman MK166 Animated Ghost SKU: MK166 The Velleman MK166 Animated Ghost has a highly sensitive built-in microphone which picks up noises and makes the ghost dance with its built-in motor, make eerie sounds with the built-in speaker, and randomly blink. Price: US$27.99 See details Velleman MK139 Clap ON/OFF Switch SKU: MK139 The Velleman MK139 Clap ON/OFF Switch operates your lighting with a single handclap. Price: US$19.95 See details Velleman MK134 Steam Engine Sound Kit SKU: MK134 The Velleman MK134 Steam Engine Sound Kit simulates the sound of a vintage steam engine locomotive and whistle. Price: US$13.95 See details Velleman MK126 Car Alarm Simulator Kit SKU: MK126 The Velleman MK126 Car Alarm Simulator Kit gives you a realistic looking flashing LED sequence that simulates the appearance of an active car alarm system. Price: US$8.95 See details Velleman MK113 Siren Sound Generator Kit SKU: MK113 The Velleman MK113 Siren Sound Generator Kit generates 4 different sounds: police siren, fire brigade, emergency vehicle and laser gun. Price: US$13.95 See details Velleman MK108 Water Sensor Alarm Kit SKU: MK108 The Velleman MK108 Water Sensor Alarm Kit gives alarm sound when water is detected. Price: US$7.95 See details Velleman MK106 Metronome Kit SKU: MK106 The Velleman MK106 Metronome Kit is perfect for anyone looking for a simple, compact, and inexpensive metronome that they can build themselves. Price: US$12.95

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