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Home >> Home & Garden >> Home Improvement & Tools >> Electrical >> Household Sensors & Alarms

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Vertical Water Level Sensor Aquarium Floating Switch

Vertical Water Level Sensor Aquarium Floating...
$4.40
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Wall Mount Security Wireless Passive Infrared Detector Sensor PIR Alarm DC 9-16V

Wall Mount Security Wireless Passive Infrared...
$8.66
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1Kg Capacity Platform Hopper Scale Load Cell Weighing Sensor

1Kg Capacity Platform Hopper Scale Load Cell...
$7.81
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5 Pcs 3144 Hall Effect Sensor Magnetic Detector 4.5-24V

5 Pcs 3144 Hall Effect Sensor Magnetic Detector...
$3.29
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Home Security Wireless Infrared Motion Sensor Detector PIR Alarm 9-16V DC

Home Security Wireless Infrared Motion Sensor...
$9.18
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Household Sensors & Alarms

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White Digital LCD Display Calendar Clock Alarm Temp Humidity Meter

White Digital LCD Display Calendar Clock Alarm Temp...: Digital Temp Humidity Meter Temperature Range Indoor: -10°Cto 50°C Outdoor:-50°C to 70°C Humidity Range 20%RH~99%RH Power Supply 1 x 1.5V AAA Battery (Not Included) Size(Approx) 14.8 x 8.7 x...; Add To My Wish List

$15.72
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AC 220V 25mA 95db 62mm Dia Metal Electric Round Alarm Bell Red

AC 220V 25mA 95db 62mm Dia Metal Electric Round Alarm Bell...: Electric Round Bell Model MS-190 Rated Voltage AC 220V Current 25mA Sound Intensity 95dB Bell Diameter 62mm / 2.4" Mounting Hole Diameter 4mm / 0.16" Wire Length 350mm / 13.7", 290mm/ 11.4" Overall...; Add To My Wish List

$21.98
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Voltage AC 100/110V Wireless Remote Control Doorbell Switch Set

Voltage AC 100/110V Wireless Remote Control Doorbell Switch...: Wireless Remote Control Doorbell Doorbell Size 10.8 x 7.5 x 3.7cm/ 4.3" x 3" x 1.5"(L*W*H) Button Size 8 x 4.4 x 1.5cm/ 3.2" x 1.7" x 0.6'' (L*W*H) Doorbell Battery Power 2 x AA...; Add To My Wish List

$12.99
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DC 24V 85dm Plastic Shell Wired Connector BJ-1G Electronic Buzzer

DC 24V 85dm Plastic Shell Wired Connector BJ-1G Electronic...: Electronic Buzzer Model No. BJ-1G Sound-making Type Continuous Sound Rated Voltage DC 24V Rated Current 20mA Frequency 50/60Hz Sound Decibel 85dB Body Diameter 53mm / 2.1" Overall Size 7 x 4.8 x 5.3cm/2.8" x...; Add To My Wish List

$7.99
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DC 12V 2 Wire Industrial Red LED Flashing Alarm Buzzer 100dB BJ-3

DC 12V 2 Wire Industrial Red LED Flashing Alarm Buzzer...: Flashing Alarm Buzzer Model No. BJ-3 Rated Voltage DC 12V Sound Pressure 100dB Light Color Red Overall Size 6.5 x 4.3 x 4cm/2.6" x 1.7" x 1.6" (L*W*H) Mounting Hole Diameter 3mm / 0.12" Wire Length 20cm / 7.9" External...; Add To My Wish List

$8.57
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Pair Outdoor 80m Sensing Distance Active Infrared Motion Detector

Pair Outdoor 80m Sensing Distance Active Infrared Motion...: Active Infrared Motion Detector Model ABT-80 Type Double Beam Install Distance(Max.) Outdoor: 80m Indoor: 240m The Longest Distance:900m Survey Way Lights Covered At The Same Time Light Source Infrared LED Response...; Add To My Wish List

$47.49
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Yellow Red Plastic Housing Home Household Building Buzzer Alarm

Yellow Red Plastic Housing Home Household Building Buzzer...: Back-up Alarm Voltage AC 220V Material Plastic, Electronic Parts Color Red, Yellow Size 5 x 5.2cm/1.9" x 2"(H*D) Cable Length 14cm/5.5" Hole Diameter 5mm/0.2" Net Weight 52g Package Content 1 x Back-up Alarm This...; Add To My Wish List

$8.49
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House Door Window Safety Security Vibration Detector Alarm White

House Door Window Safety Security Vibration Detector Alarm...: Door Detector Alarm Powered by 4 x AA Batteries 9V(Not Included Here) Main Body Size 10 x 5 x 2.5cm / 4" x 2" x 1" (L*W*H) Color White Material Plastic Net Weight 63g Package Content 1 x Door Detector Alarm Designed...; Add To My Wish List

$4.65
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SMF-27 DC 3-24V 30mA Industrial Continuous Sound Electronic Buzzer 90dB

SMF-27 DC 3-24V 30mA Industrial Continuous Sound Electronic...: Electronic Buzzer Model No. SMF-27 Sound-making Type Continuous Sound Rated Voltage DC 3-24V Rated Current 30mA Sound Pressure 90dB Operating Temperature -20°C to +60°C Body Diameter 30mm / 1.2" Overall Size 48...; Add To My Wish List

$2.27
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Plastic High to Low 2 Channel Speaker Leaver Impedance Converter for Car

Plastic High to Low 2 Channel Speaker Leaver Impedance...: Impedance Amplifier Adaptor Main Color Clear, Black, Yellow Cable Length 12cm/ 4.7" Body Size 6.5 x 3.8 x 2.5cm/ 2.6" x 1.5" x 1"(L*W*H) Weight 45g Package Content 1 x Impedance Amplifier Adaptor ...; Add To My Wish List

$5.07
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J1588 1NO 1NC Sump Pumping Liquid Level Controller Hanging Switch AC 110V-240V

J1588 1NO 1NC Sump Pumping Liquid Level Controller Hanging...: Liquid Level Control Switch Model No. J1588 Contact Type 1NO + 1NC Working Voltage AC 110V-240V Maximum Current 15A Max. Power of Water Pump 0.75KW (1.0HP) Thread Dia. 31mm / 1.2" Top Cylinder Size 8 x 11cm / 3.1" x...; Add To My Wish List

$12.05
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90cm Wire Long AC 110-240V NY-321 Fluid Water Level Control Float Switch NO NC

90cm Wire Long AC 110-240V NY-321 Fluid Water Level Control...: Liquid Level Control Float Switch Model No. NY-321 Contact Type 1NO + 1NC Working Voltage AC 110V-240V Maximum Current 15A Max. Power of Water Pump 0.75KW (1.0HP) Thread Size 7/8" Top Cylinder Size 8.2 x 7cm /...; Add To My Wish List

$13.30
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