NOTE:
1. The window and screen of the sensor must keep clean, if the sensor window is blocked or filtered by the water film, the measurement result may lower than actual gas concentration.
2. In order to ensure the safety and the proper use of the instrument, the operation and maintenance of the instrument can only be carried out by qualified professional.
3. Every day before use, please check the accuracy of the item in fresh air, ensure the measurement error is within the allowable range, If it exceeds, the item must be calibrated.

Operation Instructions:
1. Press the power button for 2 seconds to Power on / off the item, the version of the product is displayed first, and then 10 seconds countdown (press the power button can skip countdown time).
2. Formaldehyde detector reading page shows the current Formaldehyde concentration, temperature, and the battery state.
3. In reading page, press the right button to switch the temperature unit C / F.
4. In reading page, press the power button to go into Menu (Auto off, Alarm), press up and down button to choose, In Auto off Mode, you can set "ON" or "OFF", and then left key to return, choose the "Alarm" key, In this mode, you can set Low "ON" or "OFF", and can set "Buzzer" and "Vibrator""ON" or "OFF".

Specifications:
Screen: LCD Screen
Measurement Range: formaldehyde :0-5ppm
Temperature Range: -15 to 50 degree
Resolution: 0.001ppm
Measurement Unit: formaldehyde : ppm, Temperature: F / C
Alarm: sound, light, vibration
Alert parameters(the default parameters can be set): LO: 0.1ppm, HI: 0.3ppm.
Power supply: 3 x 1.5 AAA alkaline batteries (not included)
Size: 120 x 65 x 25mm
Weight: 150g
Color: white

Package List:
1 x Formaldehyde Detector
1 x User Manual
1 x Packing Box

• MULTIFUNCTIONAL FORMALDEHYDE DETECTOR: LCD display show formaldehyde concentration 0-5PPM, current temperature -15 to 50 degrees Celsius
• DAILY NECESSITY: Indoor toxic gases detector, necessary for a new house or office, Formaldehyde is harmful for people¡¯s health, especially affects pregnant women, kids and old people, help you detect whether you are in a healthy environment
• SOUND, LIGHT and VIBRATION ALARM: high / low concentration alarm, sound, light, vibration, three level alarm modes, give you all-round protection
• SWITCHABLE F/C MEASUREMENT UNITS: Temperature units F / C options, give you convenient operation
• SIMPLE OPERATION, PORTABLE and DURABLE: 5 operate keys, you will know how to operate it upon power it, (note the battery is not included), and you can put it in your bag or pocket wherever and whenever needed

MULTIFUNCTIONAL FORMALDEHYDE DETECTOR: LCD display show formaldehyde concentration 0-5PPM, current temperature -15 to 50 degrees CelsiusSWT