Description: Carbon dioxide detector: made of high-quality electronic components + ABS plastic, stable performance, strong anti-interference ability, low consumption and long service life. Battery: 3.7V 1200mAh lithium battery, charging time is 2-3 hours, battery life: 8-10 hours. Digital display: The large screen displays the power, CO2 value, temperature and humidity, real-time monitoring, and the digital display is clear and easy to read. Ventilation hole design: Hundreds of ventilation holes in the rear not only accelerate the convection between the air and the machine, thus realizing effective detection, but also provide good heat dissipation effect. Wide range of uses: suitable for kitchens, living rooms, bathrooms, desks and other occasions. Specification: Material: Electronic Components + ABS Plastic Measuring Range: 400-5000PPM Measurement Object: Carbon Dioxide Measurement Accuracy: 10PPM Built-in Lithium Battery: 3.7V 1200mAh Charging Time: 2-3 hours Use Time: 8-10 hours Size Chart: 160x90x41mm/6.30x3.54x1.61inch Package Includes: 1x Carbon Dioxide Detector 1x Manual 1x USB Charging Cable Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!