Milesight AM300 Indoor Ambient Monitoring Sensors


Measure up to 9 indoor ambient parameters in one smart device with the Milsight AM300 Series.

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The Milesight AM300 series of indoor ambient monitoring sensors combine 9 sensors in 1 to measure:

  • Temperature
  • Humidity
  • PIR
  • Light
  • TVOC
  • Barometric Pressure
  • CO2
  • PM2.5 and PM10
  • Formeldehyde (HCHO)
  • OR

  • O3

Featuring a 4.2″ E-Ink screen, users of the Milesight AM300 can access information across multiple display styles, in a light or dark colour theme.

Ideal for a range of applications including:

The Milesight AM300 series consists of 2 devices; the AM307 and AM319. The AM307 does not include PM2.5 and PM10, formeldehyde (HCHO) or O3 sensors.

⚠ The AM319 is available with either formeldehyde (HCHO) or O3 sensors. Unless specified, the AM319 will be supplied with formeldehyde as standard. For those requiring the addition of an O3 sensor in the AM319, please specify at the point of ordering.

Using LoRaWAN® technology, recorded data is transmitted from the sensor to your chosen visualisation dashboard by a connected LoRaWAN® gateway and network server.

For simple installation, the Milesight AM300 indoor ambience monitoring sensors can be powered by batteries or a DC power supply. The device is also supplied with an anti-theft bracket to help ensure a secure installation.


  • LoRaWAN® Certified
  • Designed to monitor indoor ambience conditions
  • Nine sensors in one
  • E-Ink display with mulitple display options
  • Access information on the device or via your chosen dashboard
  • Automate alerts for data recorded outside of your set parameters
  • AM319 9-in-1 IAQ sensor is certified to be used in line with the WELL building standard


Power Supply:

AM307 4 x 2700 mAh ER14505 Li-SOCI2 battery
AM319 5V/1A by Type-C Port

Display & Configuration:

Display 4.2-inch Black & White E-Ink Screen
Button 1 x Power Button + 1 x Reset Button
LED & Buzzer 1 x 1 x LED Indicator + 1 x Buzzer
Configuration 1. Mobile App via NFC
2. PC software via NFC or USB Type-C port

Physical Characteristics:

Operating Temperature -20°C – 60°C (E-Ink Screen: 0°C – 40°C)
Relative Humidity 10% – 90% (non-condesing)
Ingress Protection IP30


Dimensions 100.8mm x 114mm x 22mm

Key documents & information

Discounted Trade Pricing: Contact us for trade pricing, to place an order or to discuss your IoT projects.

All of our products are available to customers throughout Europe. For more information on shipping costs, currency conversions and lead times, please contact our technical sales team.

Our technical sales team are also happy to advise customers on the best LoRaWAN® ambience monitoring sensors to suit specific project requirements.

Our experts are on hand to help you every step of the way
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Additional information

Dimensions 100.8 × 114 × 22 mm



Environmental Protection


Measurements Taken

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AM307, AM319 with Formeldehyde, AM319 with O3

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