12v alarm for sale | 1000 ads for brand-new and used 12v alarm

New preco bac-a-larm backup alarm model 230 97db 12v 200 series"no reserve"

United States
US $29.99
Jan 30th

Hello I have a new Preco Bac-A-larm up for auction "NO RESREVE" PRECO BAC-A -LARM Model # 230

Ultrak rackmount monochrome 16 channel b&w duplex multiplexer kx1600md

Indianapolis, Indiana, United States
US $29.99
Jan 30th

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Multi-sound piezo alarm siren 6 types of whoops honks & other rotating sounds

Burton, Michigan, United States
US $14.95
Jan 29th

* New * 12V Piezo Siren / Alarm with 6 Tone Patterns ( Very Limited Quantity Available ) The 15 Watt Driver Delivers Lots of Sound Power through a series of 6 different patterns of whoops, honks and other alarm noises that change every few seconds. Very Loud and annoying to send the bad guys running....

Fa438 water level pump control with alarm auto on/off high-low alert 12v

Ship Worldwide, Thailand
US $13.49
Jan 29th

Digital temp regulator heater colling thermostats temperature control -50-110°c

Guang Zhou, China
US $14.80
Jan 29th

220v double control digital temperature controller -50~110°c sensor thermostat

Registered Air Mail ( Worldwide ), China
US $26.99
Jan 29th

220V Double Controlling Digital Temperature Controller ( if you need 110V or 12V temperature controller, please buy my other item. ) Specification: Temperature Measuring Range: -50 ~ 110 °C

Temperature control digital heat and cool thermostat -50-110 °c+temp sensors

Guang Zhou, China
US $14.90
Jan 29th

220v double digital temperature thermostat + humidity controller sensor

Registered Air Mail ( Worldwide ), China
US $32.99
Jan 29th

220V Double Digital Temperature Controller + Humidity Controller ( if you need 110V or 12V temperature controller, please buy my other item. ) Thermostat + Humidity Controller Specification:

12v double digital temperature thermostat controller + timing time control

Registered Air Mail ( Worldwide ), China
US $29.99
Jan 29th

12V Double Digital Temperature Controller + Time Control ( if you need 220V or 110V temperature controller, please buy my other item. ) Thermostat + time Controller Specification:

12v digital heating thermostat temp control -50-110 °c temperature controller

Guang Zhou, China
US $14.90
Jan 29th

Pid temperature controller for kiln furnace oven espresso coffee machine ssr 75a

FAST SHIPPING, Hong Kong
US $55.99
Jan 29th

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Agilent/hp 34907a multifunction module for the hp 34970a

Elgin, Illinois, United States
US $25.00
Jan 29th

Agilent/HP 34907A Multifunction Module for the HP 34970A The Agilent 34907A allows great flexibility for a variety of sense and control applications. The Agilent 34907A combines two 8-bit ports of digital input and output, a 100 kHz gated totalizer, and two ±12V analog outputs - all on a single earth-referenced module. The digital inputs and totalizer input may be included in a scan.

100% new brand 12v dc or 24v dc photoelectrictric smoke detector

??, ???, China
US $11.98
Jan 29th

Product Features Stong adaptability for circumstance SMT Design, High Stability 9-35VDC wide voltage operating range Low standby current Power supply non-polarized input Twin LED for 36

Agilent hp 34907a multifunction module for 34970a/34972a

Sunnyvale, California, United States
US $80.96
Jan 29th

Paradox 460 vertical motion detector security

Ambler, Pennsylvania, United States
US $20.00
Jan 30th

Features: Adjustable lens position (0° or 10°) Selectable operational voltage (12V DC or 24V DC) Adjustable alarm signal duration Detects hand-sized objects for card access applications 2m X 1.5m (7ft X 5ft) Detects body-sized objects for security applications 6m X 4.5m (20ft X 15ft) Specification: Description Paradoor 460 Sensor Dual, low noise high response Detection speed 0.2m – 3.5m/second (0.6ft. – 11.5ft./second) Operating temperature -10°C

5pcs rx-40qz infrared pir motion detector sensor wired security quad zone logic

Shenzhen, China
US $50.89
Jan 30th

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Hot rx-40qz infrared pir motion detector sensor wired security muti-focus lens

Shenzhen, China
US $11.99
Jan 30th

Dt7235t dual technology intrusion detector for alarm systems

Mississauga, Ontario, Canada
US $19.99
Jan 30th

This item is a DT7235T DUAL TECHNOLOGY INTRUSION DETECTOR for alarm systems manufactured by Intellisense (C&K Systems/Ademco/Honeywell). It has a detection range of 11 x 12 m and has pet tolerance. It uses both infrared and microwave technology for detection and should be powered by 12V nominal (not included).