Name: Household Laser Formaldehyde Detector Model: 687054 Specifications: Test item: HCHO, TVOC, PM2.5 Test range: 0-1.999mg/m3(HCHO), 0-9.9999mg/m3(TVOC) Testing time: 5-7 minutes Dimension: 150 x 70.8 x 43.6mm Power supply: Lithium battery Input: 5.0V/300mA Battery capacity: 1200mA Display mode: LCD display Color: Gray Weight: 188g Package included: 1 x WP6912 6 in 1 Laser Formaldehyde Detector 1 x English User Manual. International buyers please note: a.The item "Household Laser Formaldehyde Detector HCHO TVOC PM2.5 Indoor Air Quality Tester" is in sale since Monday, August 07, 2017. This item is in the category "Business, Office & Industrial\Electrical & Test Equipment\Test, Measurement & Inspection\Test Meters & Detectors\Other Test Meters & Detectors". The seller is "cskwin2015" and is located in HK. This item can be shipped worldwide.