This product is a multifunctional air quality detector that detects Total Volatile Organic Compounds (TVOC),Particulate Matter

It is high-sensitivity portable round rod small Metal Detector,designed to provide reliable metal detection services, with a yellow-black appearance,
lightweight and portable, it is waterproof,powered by AA batteries, with high accuracy and high sensitivity, capable of quickly identifying metal
objects. The device has 3 alarm modes ( sound, vibration, sound &vibration ). it has wide application, It is suitable for finding coin, gold,silver, relics, jewelry to help you easily find treasures or missing metal objects whether indoors, outdoors, in wall, sand, grass or soil,ensuring your convenience.

In a world filled with fine particles, changes in air quality are often difficult to detect, while the presence of dust can pose potential threats to health and the environment. This mini dust detector, with its small and exquisite posture and excellent precision detection ability, has become your reliable assistant in safeguarding air quality.It uses advanced laser sensors to accurately measure the concentration of PM2.5 particles and dust in the air.It is easy to operate, with a simple and clear interface, one click start, and real-time display of PM2.5, temperature, and humidity data, allowing you to be familiar with changes in air quality.Once exceeding the standard is detected, the instrument will immediately sound an alarm, allowing you to take immediate measures to avoid danger.

It is a mini and exquisite carbon monoxide detector that uses advanced sensor technology to quickly and accurately detect the concentration of carbon monoxide in the air.It does not require complex operating steps, just gently press the power button to start working. Real time display of carbon monoxide concentration, temperature, and humidity values, allowing you to have a clear understanding of the current air quality situation.
This carbon monoxide detector can play an important role in heating homes in winter, kitchens using gas equipment, enclosed garages, boiler rooms, chemical workshops in industrial production, tents for outdoor exploration and camping, and other places. It is your powerful assistant in preventing carbon monoxide poisoning, making your living and working environment safer and healthier. Once exceeding the standard is detected, the instrument will immediately sound an alarm, allowing you to take immediate measures to avoid danger.

It is a 3-in- one CO2 Meter equipped with advanced Infrared (NDIR ) sensor real-time monitoring of Carbon dioxide (CO2), temperature and humidity on
its display. When the CO2 concentration reaches the alarm value,then the monitor will trigger a danger alarm,you can adjust the ventilation system
reasonably, improve indoor air quality.The small and exquisite body and exquisite hanging design make it easy to carry around. Whether it's in a pocket, backpack, car, or on a desk or hang on the wall, CO2 level can be checked anytime, anywhere. Whether traveling,on a business trip, or in a newly renovated house, it can become your air quality guardian, protecting your health.

This high-sensitivity portable metal detector is designed to provide reliable metal detection services. It has a yellow-black appearance, is lightweight and portable, and is powered by a 2000mAh rechargeable built-in lithium battery. It has high accuracy and sensitivity, and can quickly identify metal objects.
The device has sound and vibration alarm modes. It is suitable for airports, stations, docks, school examination rooms, museums and other places that require security inspection to ensure your safety and convenience.

This high-sensitivity portable metal detector is designed to provide reliable metal detection services, with a yellow-black appearance, lightweight and portable, powered by AA batteries, with high accuracy and high sensitivity, capable of quickly identifying metal objects. The device has Sound/Vibration/Sound&Vibration alarm modes. It is suitable for airports, stations, docks, school examination halls and museums and other places that require security testing, ensuring your safety and convenience.

It is a 11-in-1 multifunctional air quality detector that not only monitors various air quality indicators in real time, but also has data storage, export,and download functions, allowing you to have a thorough understanding of the air around you.It not only measures datas of CO2 ,PM2.5/10, formaldehyde,
TVOC, temperature, humidity, AQI in real time, but also supports intelligent connection through Tuya WiFi,After connecting your phone, you can view
real-time data anytime and anywhere.

It is a 10-in-1 multifunctional air quality detector that not only monitors various air quality indicators in real time, but also has data storage, export, and download functions, allowing you to have a thorough understanding of the air around you. Accurately detecting key indicators CO2 ,PM2.5/10/1.0,
formaldehyde, TVOC, temperature, humidity, AQI to comprehensively present the real situation of air quality for you. It is built in storage space, capable of continuously recording air quality data, it can faithfully preserve historical information of air quality, providing you with long-term and reliable reference. Through simple operations, stored data can be quickly exported. Provide you with data analysis to clearly understand the changing trends of air quality and provide scientific basis for improving the environment. When the air quality exceeds the healthy range, you can quickly take corresponding measures to protect your own and your family's respiratory health.

This product is a multifunctional 10-in-1 Air Quality Monitor is an advanced multi-functional air quality monitor that combines many different types of high quality air sensors and a built-in fan to provide real-time monitoring of Carbon Dioxide - CO2.Total Volatile Organic Compounds (TVOC), PM2.5, PM1.0,
PM10, temperature, humidity and time on its digital LCD display.This product is a multifunctional air quality tester combines eight features of air quality monitoring to help you stay on top of the air quality in your home. Ensure a good and healthy air environment.

This product is a multifunctional 9-in-1 Air Quality Monitor that combines many different types of high quality air sensors and a built-in fan to provide real-time monitoring of Carbon Dioxide - CO2. Total Volatile Organic Compounds (TVOC),PM2.5, PM1.0, PM10, temperature, humidity and time on its digital LCD display. Ensure a good and healthy air environment.

This product is a sound level decibel noise meter 4 in One.It adopts advanced acoustic sensors and precise measurement technology,real-time display noise, temperature and humidity on its LED screen.