Wide Application Easy Carrying Around: This multi gas monitor comes with a wonderful silver case with compact size and clip design. Easy to use with a clipping right on your cloth and keep your safe the entire time while working in confined space, effectively predicting as to ensure the safety of the environment.High Sensitive and Accurate Measurement: The portable 4 gas monitor comes with high quality imported gas sensor, excellent sensitivity and excellent repeatability.Three Alarm Methods: The portable gas detector is ready to use, FACTORY CALIBRATED, comes with adjustable audio, visual, and vibration alarms alert when preset levels are reached. Accurately measure the gas concentration with easy-to-read.Waterproof,dust-proof, explosion-proof and lower error: Detection error better than less than equal 5% F.S. and response time: T Less than 30s. Zero and span calibration options. Enough capacity 1800 mAh battery for long continuous working time.size:135x32x70mmMaterial:Plasticcolour:Orange/BlackPackage Contents:1 x Detector1 x English manual1 x USB cableOnly the above package content, other products are not included.Note: Light shooting 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.Our products are made with the highest quality materials and are designed to provide you with the best possible user experience. We strive to ship out all orders within three days of purchase, and the estimated delivery time is 8-15 days.When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specificationsWe want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don''''t hesitate to contact us. We are here to help and will do our best to assist you.Thank you for choosing our product. We hope you enjoy it