- Product name : Air quality measuring device
- Model No. (model name) : SAP-300
- Color : Silver
- Connector, power supply :
  Micro 5pin(5Vdc±10%/1.5A) : Power and RS485

- Sensor measurement range / Accuracy
- Ultrafine dust(PM2.5) : 0~999㎍/㎥
  / 0~100μg/m3 : ±10μg/m3, 101~999μg/m3 : ±10% reading 1)
- Fine dust(PM10) : 0~999㎍/㎥
  / 0~100μg/m3 : ±25μg/m3, 101~999μg/m3 : ±25% reading
- Temperature : -10℃~60℃ (Resolution 0.1℃) / ±2℃
- Humidity : 0~99%RH (Resolution 0.1%) / ±5% (@25℃)

- Operating temperature and humidity : -10℃~60℃, 0~95%RH
- Communication :
  Wire communication: RS485
  Wireless communication: Wi-Fi (2.4GHz and 5GHz supported), BLE (Ver5.0)

- Weight : 146g
- Size (W x H x D) : 112 X 68 X 30 (mm)
- Certification : 
  Standard certification (KC certification)
  Performance 1st grade certification for fine dust
- Battery charging time and usage time : 
  Charging time: About 2 hours and 20 minutes when the power is off
  Usage time: max. 3 hours and 25 minutes
  Battery: Lithium ion, 1300 mAh 3.7 V
- Manufacturer and distributor : Smartline Co., Ltd.
- Manufacturing country : Korea
- Components :
  Product, manual, straight type cable (2m): USB A to Micoro 5 pin