Are you looking for products with reasonable prices? Are you looking for a sturdy, durable and reliable carbon dioxide detector that can complete multiple tasks? If so, our products will be your ! Our carbon dioxide detector will meet your needs. Features - Color: White. - Material: ABS and PVC. - Size: 9.00 x 7.00 x 4.00cm/ 3.54 x 2.75 x 1.57 inch. - It is recommend to close the door and window, and place the instrument at a height for few minutes when test indoor. - air monitor anywhere or leave device on for continuous monitoring. - This easy-to-carry air tester can help monitor air at home, in the car, and in hotel rooms. - Information is displayed on a clear LCD display. and practical design with beautiful appearance. - By measuring particulate pollution, an air pollution monitor can also help you know when to change your . Package list: 1 x gas detector