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- $205.00Semacon S-960 Cordless Automatic Currency Authenticator/Counterfeit Detector, All USD Banknotes Currency Types, Processing Speed Less Than 0.75 Seconds, Pinpoints Counterfeit Suspect US BanknotesAmazon
- $71.00and upBounty Hunter TK4 Tracker IV Metal Detector with 8-inch Waterproof CoilAmazon & 5 more
- $59.99and upSimpliSafe Smoke & Carbon Monoxide DetectorAmazon & 1 more
- $101.63Kidde Smoke, Carbon Monoxide & Fire Detectors (2 Pack)Amazon
- $63.21Kidde Smoke, Carbon Monoxide and Fire Detector BundleAmazon
- $209.18Kidde Hardwired Smoke & Carbon Monoxide Detector (2 Pack) and Kidde Smoke Detector (4 Pack)Amazon
- SALESmoke Machine Automotive Leak Detector,Evap Vacuum Smoke Diagnostic Tester,Pipeline Fuel Leakage Detector Compatible with 12V VehiclesAmazon・Sale
- $99.10and upBounty Hunter PL Fast Tracker Metal Detector, 7-inch, 7 inch, BlackAmazon & 6 more
- $64.99Samurai Mini Carbon Monoxide Detector 2-packHSN
- $93.16Kidde Hardwired Smoke and Carbon Monoxide Detectors Bundle (2 Pack)Amazon
- SAVE $28.99$58.00$86.99Kidde Smoke & Carbon Monoxide Detector, 10-Year Battery, Voice Alerts , 1 Count ( Pack of 1)Amazon
- $59.99Detector Warehouse 12 Piece Professional Gold Pan Kit with 8", 10", 12" and 14" Panning & Sifting Pan Plus Backpack (Blue)Amazon
- $177.19Kidde Smoke & Carbon Monoxide Detector Combo, 10-Year Battery, Replacement Alert, 4 Count (Pack of 1)Amazon
- $74.9710 Year Worry-Free Hardwired Combination Smoke and Carbon Monoxide Detector with Voice Alarm and Ambient Light RingThe Home Depot
- SALEGovee Water Leak Detectors 5 Pack, 100dB Adjustable Audio Alarm Sensor, Sensitive Leak and Drip Alert, for Kitchen Bathroom Basement (Battery Included)Amazon・Sale
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- $7.54Protective Cover for Minelab Equinox 600 | 800 Metal DetectorAmazon
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- $25.99and upDri-Mark 351R-1 Smart Money Counterfeit Bill Detector Pen for Use w/U.S. Currency, DozenNewegg & 5 more
- $89.99and upBounty Hunter Tracker IV Metal Detector with Bonus PinpointerAmazon & 2 more
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- SALEX-Sense Smoke Detector Carbon Monoxide Detector Combo with LCD DisplayAmazon・Sale
- $106.53Combustible Gas Leak DetectorThe Home Depot
- $229.45FORENSICS DETECTORS FD - OXYGEN O2 Detector Analyzer + PUMP with Probe by FORENSICS - USA NIST Calibrated - USB Recharge - Sound, Light and Vibration Alarms - 0-30% O2 -Amazon
- $329.99Minelab X-TERRA PRO Waterproof Metal DetectorDICK'S Sporting Goods
- $119.00and upGoogle Nest Protect Smart Smoke and Carbon Monoxide Detector Alarm (Battery) in White | S3000BWESLowe's & 4 more
- $19.97Firex Smoke Detector, Hardwired with Battery Backup & Front-Load Battery Door, Smoke AlarmThe Home Depot
- $29.99Samurai Mini Carbon Monoxide Detector w/ 10yr Manufacturer's WarrantyHSN
- $195.99Bounty Hunter Pro Lone Metal Detector with Bonus Pinpointer, BlackKohl's
- SALEX-Sense Smart Smoke DetectorAmazon・Sale
- $845.45FORENSICS DETECTORS FD Oxygen Analyzer for Headspace Analysis by FORENSICS | 0-30% with 0.01ppm resolution | USB Recharge | Computer Data Logging | USA NIST traceable calibration |Amazon
- SAVE $1.79$36.20$37.99Kidde Carbon Monoxide Detector, Plug In Wall with AA Battery Backup, Test-Hush ButtonAmazon
- SAVE $4.33$73.66$77.99Detectors for Particle RadiationAmazon
- $59.97Hardwired Combination Smoke and Carbon Monoxide Detector with Interconnected Alarm and LED Warning LightsThe Home Depot
- $149.45Oxygen Detector by Forensics | 2 Year Battery Life | 3 Year Sensor | USA NIST Calibration | Drop-Proof & Water-Proof | Rubber Soft-Touch | 0-30% O2 |Amazon
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- $79.99Detector AlarmBed Bath & Beyond
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- $68.99Detector Alarm HardwiredBed Bath & Beyond
- $84.9710 Year Worry-Free Hardwired Combination Smoke and Carbon Monoxide Detector with Wire-Free Voice InterconnectThe Home Depot
- $16.99Smoke and Carbon Monoxide Detector Powered by Battery with Digital Display, Dual Alarm Sensor of Smoke and CO,Easy to InstallAmazon
- $156.4510-Year Worry-Free Sealed Battery Combination Smoke and Carbon Monoxide Detector with Voice Alarm (3-Pack)The Home Depot
- SAVE $20.00$159.45$179.45Oxygen Detector by Forensics | USA NIST Calibration & Certificate | Dust & Explosion Proof | USB Recharge | Sound, Light and Vibration Alarms | 0-30% O2 |Amazon
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- SAVE $8.00$46.99$54.99LEPOWER Motion Sensor Outdoor Lights, 48W 5200LM LED Security Lights, IP65 Waterproof, 5000K Flood Lights Outdoor with 3 Head Motion Detector for Outside Garage, Yard, PorchAmazon
- $169.45FORENSICS DETECTORS FD H2S Monitor + Pump with Probe by Forensics | USA NIST Calibrated | Water & Dust Proof | 0-100ppm H2S |Amazon
- $345.45MULTIGAS Detector Analyzer + Pump with Probe | USA NIST Calibration | 4 Gas Monitor | Computer Data Logging | USB Recharge |Amazon
- $14.99Detector de Metales electrónico DC 3V-5V 60mm, módulo de Sensor sin contacto, pieza electrónica, Detector de metales con funda de batería, Kit DIYNewegg
- $159.00XP Metal Detectors MI-6 Pinpointer, with Wireless connectivity to The Deus II, Deus & ORX Metal detectors, by XP Metal Detectors to be Used by All detectorists (MI-6-AM)Amazon
- $48.00Detector Finds Intact Ancient Roman Bronze Hair Or Garment Pin With Roster On TopEtsy
- SALEHidden Camera Detectors and Bug DetectorAmazon・Sale
- $46.39Detector, Bug Scanner 300-2700MHz 2 Alarm Modes Cluster Filtering High Accuracy for Room (Black)Amazon
- $50.99Detector Strep A Rapid Test Kit, Throat Swabs, CLIA Waived, IDSTREP-25 (Box of 25)Amazon
- $12.89Detector Motion 12V Wired Indoor Top Mounted 360 Degree Passive Infrared Motion Detection Sensor AlarmAmazon
- $169.00XP Metal Detectors Finds Pouch & Backpack 280, Designed for XP metal detectors and Finds Pouch provided with one Large Pocket and one Small Pocket Closed by a Zip (XPBACKPACK & XPPOUCH)Amazon