It monitoring PM2.5, PM10, and has the histogram function. 【EASY TO USE】Easy to operate with simple system settings through few function buttons. The new histogram function can visually reflect the change in PM2.5 concentration within the last 12 hours.
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Handheld Metal Positioning Rod Underground Metal Detector GP Pointer Handheld 360° High Sensitivity Gold Diggers Detector Rod
Aliexpress UK
RED BEAM ROTARY LASER UNIVERSAL RECEIVER DUAL DISPLAY (SPECTRA, BOSCH, HILTI, ET. Applicable for rotary laser levels. 1x Red Beam Laser Detector. Due to the difference between different monitors, the picture may not reflect the actual colour of the item. ).
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WJL-6000 Halogen Leak Detector R22a R410A R134A R4047A MP39 Gas Detector Freon Gas Analyzer Refrigerant Air Conditioning Tester
Aliexpress UK
Detector ×1. Automatic audible alarm for signal source identification. Compact design with foldable, detachable antenna for convenient storage. 【Lens Detection】. Frequency band display indicates signal strength for precise localisation.
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365NM UV Flashlight Rechargeable Ultraviolet Torch Pet Urine Scorpion Detector UV Lamp Anti-counterfeiting Bill Seal Detector
Aliexpress UK
Features:-With intelligent induction, it will start once the car starts, and it will shut down once the engine is turned off.-There are two modes, making it easy to switch between highway mode (long-range reception band) and city mode (reduced sensitivity to reduce unnecessary warnings).-The high-sensitivity flash screen radar can fully scan and receive all warning information, making the warning information more comprehensive and accurate.-As the distance from the transmitter changes, the signal changes from weak to strong, and the sound changes from slow to rapid.-Easy to use, with a power cord that comes with a cigarette lighter plug, plug and play.Specification:Material: plasticWireless duplex transmission frequency: 2.4GHz (±410MHz)Laser beam: 90.
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MD-4090 Professional Metal Detector Finder Waterproof Search Coil Seeker Treasure Underground Gold Detector High Accuracy
Aliexpress UK
Detecting Range of RF Device: 0.05m-10m (Subjected to the Transmitting Power of the RF Device). With a signal strength indicator lights that can quickly find the signal source. Detect wireless cell phone and internet signal.
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6-in-1 Stud Finder Wall Scanner Electronic Stud Detector Wall Detector for 1-1/2 Inch Drywall Stud Center Detecting
Aliexpress UK
The DeWALT DE0892 is an easy to use Line Laser Detector compatible with DW088K and DW089K Line lasers. Up to 50m working range. Heavy-duty detector clamp. Heavy-duty clamp for mounting on a grade rod.
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Water Leak Detector Multi-functional Sound Detector For Pipe Water Leak Suitable for leak detection of various construction pipe
Aliexpress UK
Temtop Air Quality Monitor, TVOC, PM2.5, PM10, Formaldehyde, AQI, Temp Humidity. Temtop Air Quality Monitor, TVOC, PM2.5, PM10, Formaldehyde, AQI, Temp, Humidity. It monitoring PM2.5, PM10, and has the histogram function.
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Refrigerant Gas Leak Detector ZL77 0-1000PPM Air Conditioning HVAC Refrigerant Leak Detector CFC HFC HCFC HC HFO Gas Tester
Aliexpress UK
Huepar Laser Level Receiver Detector with Pulsing Line Electric Leveling Vertical Horizontal Lines with Double Lamp 90 dB Buzzer. This detector is only compatible with Huepar Line Laser Levels that feature Pulse Mode Function.
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Refrigerant Gas Leak Detector ZL77 0-1000PPM Air Conditioning HVAC Refrigerant Leak Detector CFC HFC HCFC HC HFO Gas Tester
Aliexpress UK