Model Number: KG-HCHO2 Brand Name: KAGOO Key Specifications/Special Features: “Kagoo” can not only detect various kinds of indoor environment indexes, such as indoor PM2.5, formaldehyde and TVOC but also it can purifying airMoreover Kagoo APP provide user with data for indoor environment, warning for environmental anomalies, comprehensive suggestions and schemes for improving the environment Air qualityParameter nameParameter values PM2.5 PM10 Sensor technology Laser sensor Sensor's accuracy PM1.0 PM2.5 PM10 Detect range 0.3 ~ 10 μm HCHO Sensor technology Electrochemical sensor Sensor's accuracy 0.01 PPM Detect range 0~3 PM TVOC Sensor technology semiconductor gas sensor Sensor's accuracy 0.5 PPM Detect range 0~6.0PPM CO2 Sensor technology non-dispersive infrared sensor Sensor's accuracy 1 PPM Detect range 0~2000PPM Temperature, humidity, illumination and noise Infrared sensor 0.1uV, 10 to 95% RH Power Source Electrical Type Air Ionizer Installation USB Certifications CE, RoHS Directive-compliant, FCC Capacity (CFM) 29 Power (W) 2 Voltage (V) 5 Place of origin Guangdong, China (Mainland) Brand name KAGOO Model number KG-A2 Colors White and black Product name Air purifier ionizer Applications House Warranty 2 years Air purifier functions quality gas Size 29*21*7mm Net weight 960g Shell materials ABS, PC and acrylic Alarms Flashing wide-angled LED alarm light and APP reading Ambient environment -20 to 50°C, 5 to 90% RH (no condensation) Enclosure compact, durable ruggedised ABS and PC shell