PROMOTE HEALTHIER INDOOR AIR QUALITY: Don't let air pollution affect your loved ones. With the compact PinoTec CO2 Monitor you can manage indoor air quality efficiently, potentially preventing headaches, fatigue and lack of concentration. Whether at home or office, ensure a healthier environment. ADVANCED 2-in-1 CARBON DIOXIDE MONITOR: Versatile CO2 detector that can assess CO2, TVOC levels in your space. It comes with a large capacity built-in 5V battery, easy to charge via USB. Save energy costs and take a step towards a greener world. PORTABLE & RECHARGEABLE: Our air quality monitor features a built-in 1000mAh rechargeable battery. Up to 8 hours of use per charge with low battery indication, it's easy to charge on the go using the included USB cable. Remain vigilant about air quality anytime, anywhere. SMART & VIVID VISUAL ALARM SYSTEM: Clear, intuitive CO2 concentration status display with a colour-changing indicator according to CO2 levels. Reveals air comfort levels distinctly from green (good) to red (serious). Instant understanding, no complicated figures. VERSATILE USES INCLUDING BABY ROOOMS: Portable, easy to carry and efficient. Perfect for use in bedrooms, living rooms, baby's rooms, office spaces and more.<br><br>Material: ABS colour: White<br><br>Package Contents: 1 x detector 1 x lanyard 1 x charging cable<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.