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Compre Ahora |
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FK501 INTRUDER ALARM
* using LDR to detect light level and having timer and alarm * it comes with a speaker 2 inches 0.25 watt * power supply 9V. * box for product FB03leer más. |
5.88EUR |
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FK502 VISITOR CHIME
* a "ding-dong" musical alarm to provide warning of intruder * it can be installed at gate or shop door to detect the visitor * this circuit requires 4.5 volt current (battery 1.5 volt...leer más. |
4.83EUR |
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FK504 CAR STARTING ALARM
* the car starting alarm circuit which can be connected to a horn or siren delays the in-out time at 10 seconds and sets time to re-function in a minute * it can be applied with a motocycle or a...leer más. |
7.14EUR |
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FK505 INFRARED BURGLAR ALARM
* this is an electronic circuit that rely on the use of on invisible infrared ray for detection * the circuit also provides an entry -exit delay * it utilizes unseenable infrared to be a checker...leer más. |
17.22EUR |
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FK506 MAGNETIC SWITCH BURGLAR ALARM
* this of theft proof circuit is a very small set with complete efficiency including time detention with warning sound and able to set the warning time * small but powerfull amplifiers 2W. * pow...leer más. |
9.03EUR |
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FK507 DOOR KNOB TOUCH ALARM
* the door knob touch alarm circuit is a small one and used by looping the knob * power supply 9V. * box for product FB03leer más. |
6.93EUR |
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FK508 ULTRASONIC DETECTOR SENSOR
* the circuit works according to the same principle as the ultrasonic echo ranging of bats * can be used to alarm signal for person staying in the certain area * power supply 12V. * box for prod...leer más. |
36.54EUR |
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Interruptor por sensor infrarrojo pasivo (retraso 0-5 min) 12 V
Interruptor por sensor infrarrojo pasivo (retraso 0-5 min) 12 V DCleer más. |
5.08EUR |
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