Carbon Dioxide Detector Temperature and Humidity Air Quality Detector Portable Hanging Buckle 3In1 CO2 Quality Detection

1. carbon dioxide detection 2. temperature detection 3. humidity detection 4. intelligent alarm 5. long battery life. safe intelligent and accurate DIY Supplies:ELECTRICAL Gas Type:CO2 Resolution:0.1 Standby duration:24 hours Battery capacity:1000mAh Measurement accuracy:1ppm Power supply:5V1A Measuring range:400-5000-ppm Voltage:3.7 Features:Multifunctional color:White Material:plastic Package Contents: 1 x 3 in 1 CO2 monitor Only the above package content other products are not included. Note: Light 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.