BOSEAN Formaldehyde Concentration Meter HCHO TVOC AQI PM2.5 CO CO2 with Temperature/Humidity Display

Technical Parameters: 3.2 inch color LCD display Resolution: 320 x 240 Working Temperature: 32°F – 122°F (0°C – 50°C). Working Humidity: ≤90% RH Power supply: 1500 mAh lithium battery Charger: 5 VDC-1.5 A Formaldehyde Testing Range: 0-1.999 mg/m 3 TVOC Inspection Range: 0-9.999 mg/m 3 PM 2.5 Inspection Range: 0-999mg/m 3 Preheated power: 200S Charging time: about 4 hours. Standby time: about 4 hours About PM 2.5 Concentration: PM 2.5 concentration, air quality grade ≤35 Yui 35-15 GOOD 115-150 General >150 Difference Package Content: 1 x Air quality measuring instrument. 1 x Data line 1 x Instruction manual (English)

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Carrier: UPS/FedEx/USPS. Delivery Timescale: More than 90% of orders arrive in 10 business days after despatch.

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1. Items must be returned within 30 days after the purchase date.
2. Items must be unworn, undamaged and in original packaging.