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>> >> >> >> Household Sensors & Alarms

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...
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$16.55
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5VDC MQ-3 Breathalyzer Checker Alcohol Ethanol Gas Sensor Module
5VDC MQ-3 Breathalyzer Checker Alcohol Ethanol Gas Sensor...
Alcohol Gas Sensor Module Type MQ-3 Working Voltage 5VDC Storage Condition Temperature:-20C-70C,Humidity:<70%RH Working Conditions Temperature:-10C to 65C, Humidity:<95%RH&nb PCB Board Size 3.2 x 2cm/1.3"...
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$9.60
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MQ2 5VDC DIY PCB Board Smoke Gas LPG Butane Propane Sensor Module
MQ2 5VDC DIY PCB Board Smoke Gas LPG Butane Propane Sensor...
Smoke gas Sensor Module Type MQ-2 Working Voltage 5VDC Detection Zone 300-10000ppmm Characteristic Gas 1000ppmm Iso-Butane Sensitivity Air/Rin Typical Gas > 5 Response Time <=10S Recovery Time <=30S PCB Board...
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$10.49
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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...
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$21.98
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Round Plug Voltage AC 100/110V Wireless Remote Control Doorbell Switch Set
Round Plug Voltage AC 100/110V Wireless Remote Control...
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 Batteries(Not...
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$12.99
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114dB Sound MS-190 Mount Mini Motor Siren Buzzer Red AC 220V
114dB Sound MS-190 Mount Mini Motor Siren Buzzer Red AC 220V
Mini Motor Siren Model MS-190 Rated Voltage AC 220V Sound Intensity 114dB Bell Diameter 62mm / 2.4" Mounting Hole Diameter 4mm / 0.16" Wire Length 25cm / 9.8" Overall Size(Approx.) 75 x 108mm / 3" x...
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$22.99
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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 1.9" x...
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$7.99
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AC 220V 20mA 85db Continuous Sound 2 Wire Electronic Buzzer
AC 220V 20mA 85db Continuous Sound 2 Wire Electronic Buzzer
Electronic Buzzer Model No. BJ-1 Sound-making Type Continuous Sound Rated Voltage AC 220V Rated Current 20mA Frequency 50/60Hz Sound Decibel 85dB Body Diameter 55mm / 2.2" Overall Size 6.8 x 5.5 x 5.3cm/2.7" x 2.2" x...
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$7.99
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16A/6A 250VAC 4 Pin Terminal DPST Yellow Indicator Lamp Rocker Switch
16A/6A 250VAC 4 Pin Terminal DPST Yellow Indicator Lamp...
Rocker Switch Poles DPST Terminals 4 Pin (ON-OFF) Rating Voltage 16A/6A 250VAC Light Color Yellow Total Size 3.5 x 2.5 x 3.1cm / 1.4" x 1" x 1.2"(L* W *T) Mounting Dimension 2.5 x 2.2 x 2.8cm/1''...
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$5.99
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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...
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$9.28
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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...
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$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...
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$8.49
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