Feature:

  3 Color Status IndicatorWith multiple alarm, there is 3-color Light Indicator and 3 Facial Comfort Expressions(1500~5000 ppm with bad Expressions, red light; 700-1500 ppm with normal Expressions, yellow light; 0-700 ppm with good Expressions, green light. You Can Intuitively Understand The Air Quality You Breathe.

  3-in-1 Air Quality Monitor DataDetect CO2, Temperature and Humidity. CO2 measuring function, the high-precision thermometer and hygrometer can also be used to monitor indoor temperature and humidity in real time. It is an indispensable device at home or office.

  High Accuracy CO2 SensorBuilt in DART infrared sensors that can accurate detect air of Carbon Dioxide(CO2). uses non-dispersive infrared technology (NDIR), Full temperature range correction, high measurement accuracy, fast response, resolution up to 1 ppm, measuring range up to 0 to 5000 ppm.

  USB RechargeableRechargeable lithium battery with a Large capacity of 2400 mAh, standby for 18 hours, it supports USB charging and battery indicator, which is a good solution for your testing needs in a different environment for a long time.

  Stylish Appearance and Various UseExquisite appearance, simple design, light weight. It's easy to carry, it is suitable for living room, bedroom, baby room, meeting room, library, school, car, hotel, travel, camping, party and other various places, especially in which has baby,child and pregnant woman.

  Specification:

  Material: ABS

  Cubic Design

  3.14 inches LCD clear screen

  Easy to get an overview of the readings of CO2, Temperature, Humidity

  3 Facial indicator for CO2 Level 3-color light indicator for battery and health levels

  Temperature Range -10~40°C(±1°C)

  Humidity Range 20%-80%(±5%RH)

  Carbon dioxide value Resolution:1 ppm; Range:0 ~ 5000 ppm

  Power Supply lithium battery 2400 m Ah

  Indicator light 

  Input DC 5 V 1 A

  Package Included:

  1x Air Quality Monitor

  1x USB Cable

  1x User Manual

  All the items will be dispatched within 2 business days after your payment is clear.

  Note: China Post Air Mail/Parcel just belongs to worldwide post system which is much slower than Special Delivery.

  Items will arrive in 7-25 business days to worldwide usually. And the arrival time also depends on some factors and different areas.

  The general arrival time table is shown below for your inference:

  If the item is defect when you receive it or you are not satisfied with it, please return it within 14 days for a replacement or money back.

  But the items must be back in factory condition. Please contact us in advance and double check the return address before you return it.

  If item is defective in 3 months, we could send you a new replacement for free or offer full refund after we receive the defective item.

  If item is defective in 12 months, we could also offer you replacement service, but you have to pay for the extra shipping expenses.

  Our aim is to provide Top Level Customer Service, and our customer service specialists are always standing by to solve any of your problem.

  We greatly appreciate your 5-STAR POSITIVE feedback and please do NOT leave negative feedback without asking for help.