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| Best Seller  | SYSTEM SENSOR D4120 Duct Smoke Detector, Photoelectric, Universal, Air Velocity Photoelectric, Duct Smoke Detector, Universal, Finish -, - Mounting, Peak Output (dBA) -, Flash (Candela) -, Standby Current (uA) -, Depth (In.) 2 1/2 in, Height (In.) 5 in, Length (In.) 14 3/8 in, Width (In.) -, Duct Opening -, Duct Width (Ft.) -,... ... more
SYSTEM SENSOR D4120 Duct Smoke Detector, Photoelectric, Universal, Air Velocity Photoelectric, Duct Smoke Detector, Universal, Finish -, - Mounting, Peak Output (dBA) -, Flash (Candela) -, Standby Current (uA) -, Depth (In.) 2 1/2 in, Height (In.) 5 in, Length (In.) 14 3/8 in, Width (In.) -, Duct Opening -, Duct Width (Ft.) -,... | go to store |
 | SYSTEM SENSOR DST5 Sampling Tube,Smoke Detector Sampling Tube, Smoke Detector, Finish Metal, Connects to Smoke Detector Mounting, Peak Output (dBA) -, Flash (Candela) -, Standby Current (uA) -, Depth (In.) 1 in, Height (In.) 1 in, Length (In.) 60 in, Width (In.) -, Duct Opening -, Duct Width... ... more
SYSTEM SENSOR DST5 Sampling Tube,Smoke Detector Sampling Tube, Smoke Detector, Finish Metal, Connects to Smoke Detector Mounting, Peak Output (dBA) -, Flash (Candela) -, Standby Current (uA) -, Depth (In.) 1 in, Height (In.) 1 in, Length (In.) 60 in, Width (In.) -, Duct Opening -, Duct Width... | $38.69 $32.25 go to store |
| Best Seller  | KERUI Tuya WIFI GSM Alarm System Smart Home Security Buglar RFID APP Wireless Motion Sensor Detector KERUI Tuya WIFI GSM Alarm System Smart Home Security Buglar RFID APP Wireless Motion Sensor Detector ... more | $104.43 $91.67 FREE shipping go to store |
 | Tuya WiFi PIR Motion Sensor Wireless Infrared Detector Human Body Sensor Home Alarm System Work with Tuya WiFi PIR Motion Sensor Wireless Infrared Detector Human Body Sensor Home Alarm System Work with ... more | $19.82 $11.89 FREE shipping go to store |
 | Tuya WIFI PIR Motion Sensor Detector Movement Alarm Smart Life APP Wireless Home Automation System Tuya WIFI PIR Motion Sensor Detector Movement Alarm Smart Life APP Wireless Home Automation System ... more | $28.83 $17.30 FREE shipping go to store |
 | SYSTEM SENSOR DST1.5 Sampling Tube,Length 18 In Sampling Tube, Smoke Detector, Finish Metal, Connects to Smoke Detector Mounting, Depth (In.) 1 in, Height (In.) 1 in, Length (In.) 18 in, Duct Width (Ft.) 1 a 2 ft, Humidity Range ( Percent RH) -, Voltage -, Standards -, Includes -, For Use With... ... more
SYSTEM SENSOR DST1.5 Sampling Tube,Length 18 In Sampling Tube, Smoke Detector, Finish Metal, Connects to Smoke Detector Mounting, Depth (In.) 1 in, Height (In.) 1 in, Length (In.) 18 in, Duct Width (Ft.) 1 a 2 ft, Humidity Range ( Percent RH) -, Voltage -, Standards -, Includes -, For Use With... | go to store |
 | SYSTEM SENSOR 4W-B Smoke Alarm,12/24 VDC, 4-Wire,w/Base Smoke Alarm, Battery Chemistry Not Applicable, Battery Location Not Applicable, Battery Locking Pin No, Battery Size Not Applicable, Communication Protocol Not Applicable, Compatible With 4 Wire Fire Alarm System, Detector Type Smoke Detector,... ... more
SYSTEM SENSOR 4W-B Smoke Alarm,12/24 VDC, 4-Wire,w/Base Smoke Alarm, Battery Chemistry Not Applicable, Battery Location Not Applicable, Battery Locking Pin No, Battery Size Not Applicable, Communication Protocol Not Applicable, Compatible With 4 Wire Fire Alarm System, Detector Type Smoke Detector,... | $56.59 $50.85 go to store |
 | SYSTEM SENSOR CO1224TR Carbon Monoxide Alarm,12/24 VDC, 4-Wire Carbon Monoxide Alarm, Battery Chemistry Not Applicable, Battery Location Not Applicable, Battery Locking Pin No, Battery Size Not Applicable, Communication Protocol Not Applicable, Compatible With 4 Wire Fire Alarm System, Detector Type CO... ... more
SYSTEM SENSOR CO1224TR Carbon Monoxide Alarm,12/24 VDC, 4-Wire Carbon Monoxide Alarm, Battery Chemistry Not Applicable, Battery Location Not Applicable, Battery Locking Pin No, Battery Size Not Applicable, Communication Protocol Not Applicable, Compatible With 4 Wire Fire Alarm System, Detector Type CO... | go to store |
 | SYSTEM SENSOR 2D51 Sensor Head Duct Smoke Detector, Sensor Head, Finish Smooth, Ceiling Mounting, Depth (In.) 4 1/8 in, Height (In.) 2 in, Ambient Temp. Limits (F) -4 Degrees to 158 Degrees F, Air Velocity (FPM) 4000 fpm, Alarm State (mA) 135 mA, Humidity Range ( Percent RH) 0 to... ... more
SYSTEM SENSOR 2D51 Sensor Head Duct Smoke Detector, Sensor Head, Finish Smooth, Ceiling Mounting, Depth (In.) 4 1/8 in, Height (In.) 2 in, Ambient Temp. Limits (F) -4 Degrees to 158 Degrees F, Air Velocity (FPM) 4000 fpm, Alarm State (mA) 135 mA, Humidity Range ( Percent RH) 0 to... | go to store |
 | SYSTEM SENSOR 2151 Smoke Detector Smoke Detector ... more
| go to store |
 | SYSTEM SENSOR DST10 Sampling Tube,10 Ft. Sampling Tube, Smoke Detector, Connects to Smoke Detector Mounting, Tube Length (Ft.) 10 ft, Width (In.) 1/2 in, Duct Width (Ft.) 8 to 12 ft, Humidity Range ( Percent RH) 0 to 95 Percent RH, Number Required 1, For Use With D4120W, D4S, Mfr. No. D4120 ... more
SYSTEM SENSOR DST10 Sampling Tube,10 Ft. Sampling Tube, Smoke Detector, Connects to Smoke Detector Mounting, Tube Length (Ft.) 10 ft, Width (In.) 1/2 in, Duct Width (Ft.) 8 to 12 ft, Humidity Range ( Percent RH) 0 to 95 Percent RH, Number Required 1, For Use With D4120W, D4S, Mfr. No. D4120 | go to store |
 | SYSTEM SENSOR AOS Strobe Light,Smoke Detector,55mA Strobe Light, Smoke Detector, Alarm Current 55mA, Flash (Candela) 1 cd, Ambient Temp. Limits (F) 14 Degrees to 140 Degrees F, Number Required 1, Standby State (mA) 3.0 mA, Standards FM, UL, For Use With Mfr. No. RTS2 ... more
SYSTEM SENSOR AOS Strobe Light,Smoke Detector,55mA Strobe Light, Smoke Detector, Alarm Current 55mA, Flash (Candela) 1 cd, Ambient Temp. Limits (F) 14 Degrees to 140 Degrees F, Number Required 1, Standby State (mA) 3.0 mA, Standards FM, UL, For Use With Mfr. No. RTS2 | go to store |
 | SYSTEM SENSOR DUCTSD Duct Smoke Detector,14-1/4" L,2-1/4" D Duct Smoke Detector, Smoke Detector, Finish Unfinished, Duct Mounting, Alarm Current 135mA RMS @ 24V AC, 35mA RMS @ 120V AC, 65mA @ 24V DC, Depth (In.) 2 1/4 in, Height (In.) 4 3/4 in, Length (In.) 14 1/4 in, Tube Length (Ft.) 1 ft, Width (In.) 2... ... more
SYSTEM SENSOR DUCTSD Duct Smoke Detector,14-1/4" L,2-1/4" D Duct Smoke Detector, Smoke Detector, Finish Unfinished, Duct Mounting, Alarm Current 135mA RMS @ 24V AC, 35mA RMS @ 120V AC, 65mA @ 24V DC, Depth (In.) 2 1/4 in, Height (In.) 4 3/4 in, Length (In.) 14 1/4 in, Tube Length (Ft.) 1 ft, Width (In.) 2... | go to store |
 | SYSTEM SENSOR DST1 Sampling Tube,1 Ft. Sampling Tube, Smoke Detector, Connects to Smoke Detector Mounting, Tube Length (Ft.) 1 ft, Width (In.) 1/2 in, Duct Width (Ft.) Up to 1 ft, Humidity Range ( Percent RH) 0 to 95 Percent RH, Number Required 1, For Use With D4120W, D4S, Mfr. No. D4120 ... more
SYSTEM SENSOR DST1 Sampling Tube,1 Ft. Sampling Tube, Smoke Detector, Connects to Smoke Detector Mounting, Tube Length (Ft.) 1 ft, Width (In.) 1/2 in, Duct Width (Ft.) Up to 1 ft, Humidity Range ( Percent RH) 0 to 95 Percent RH, Number Required 1, For Use With D4120W, D4S, Mfr. No. D4120 | go to store |
 | HONEYWELL G02-0007-000 ToxiRAE Pro CO2 NDIR Sensor Multi-Gas Detector, Product Type Single-Gas Detector, Housing Color Yellow, Gas Detected Carbon Dioxide, Series ToxiRAE Pro, Sub-Brand RAE Systems, Sensor Type Infrared ... more
HONEYWELL G02-0007-000 ToxiRAE Pro CO2 NDIR Sensor Multi-Gas Detector, Product Type Single-Gas Detector, Housing Color Yellow, Gas Detected Carbon Dioxide, Series ToxiRAE Pro, Sub-Brand RAE Systems, Sensor Type Infrared | go to store |
 | Scooter Motion Sensor Alarm Loud Sound Anti-Theft Alarm Detector Anti Theft Security Alarm System Scooter Motion Sensor Alarm Loud Sound Anti-Theft Alarm Detector Anti Theft Security Alarm System ... more | $17.95 $13.82 FREE shipping go to store |
 | Tuya ZigBee Smart Window Door Gate Sensor Detector Smart Humidity Sensor Home Security Alarm System Tuya ZigBee Smart Window Door Gate Sensor Detector Smart Humidity Sensor Home Security Alarm System ... more | $13.93 $8.36 FREE shipping go to store |
 | Tuya Smart WiFi Door Sensor Door Window Open/Closed Detector Smart Home Security Alarm System Works Tuya Smart WiFi Door Sensor Door Window Open/Closed Detector Smart Home Security Alarm System Works ... more | $14.87 $9.22 FREE shipping go to store |
 | Simple Wireless Door Sensor Alarm System App Notification Alerts Window Detector For Home Security Simple Wireless Door Sensor Alarm System App Notification Alerts Window Detector For Home Security ... more | $0.81 $0.45 go to store |
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