• Led Screen display.
• CO2 Detection range: 400-5000 ppm.
• CO2 Alarm value : 1000ppm.
• Support hand Setting CO2 alarm threshold from800ppm-2000ppm.
• CO2 Alarm on /off function (if users do not like alarm ,people can turn it off ).
• Power supply rechargeable Li-battery 1600mah includding USB Chargeing cable.
• Color Smile face , very realistic.
• Mini size very smart.
• User-friendly and easy operation DM67-wifi.

Product Specification: