NOYAFA digital environment meter JMS17, 4 in 1, rechargeable. The JMS17 is a useful tool that can simultaneously measure air quality (by measuring the concentration of formaldehyde and organic matter), ambient temperature, and humidity.

Product highlights:

• 4 measurements (HCHO, TVOC, temperature & humidity)
• 99.99% measurement accuracy
• 24/7 air monitoring & analysis
• Air quality alert
• Easy-to-read display screen
• Ideal for use in any indoor space
• Rechargeable
• Small size, easy to carry

Technical specifications:

• Display screen: Color LCD
• Real-time display: Values & Results (Good, Bad, & Worst)
• Real-time measurement: HCHO (mg/m3 PPM), TVOC (mg/m3), temperature (°C) and humidity (%)
• Record measurement: Supports data playback of 200 Point x 5 pages
• Formaldehyde meter: 0.00 - 5.00 PPM / 0.00 - 6.25mg/m3
• Organic matter meter: 0.0 - 10.0mg/m3
• Temperature & humidity: 0-50 °C, 10-90%RH
• Backlight: Yes
• Silence Mode: Yes
• Calibration remind: First use & reuse after 12 hours
• Calibration of TVOC sensor: The zero point value will be refreshed after 10 seconds
• Speed: Fast (0.5s), normal (1s), and slightly slow (2s)
• Auto-off: 5, 10, 30 Mins & Never
• TVOC: Yes
• Power: 3.7v polymer lithium-ion battery
• Dimension: 150 x 67 x 25mm

Package contents:

• Environment meter
• USB to USB-C charging cable
• User manual