Description: <br />Power supply from AC 100V - 240V or 9V built-in rechargeable battery<br />The LCD display will show the concentration between 0 - 9999PPM， when the concentration over 9999PPM， it will show "HHHH"<br />Single detector is not networked type， which is controlled and working independent. It can sent the alarm signal to people in the building<br />And the networked detector can sent the alarm signal to people in the building and report a fire alarm<br /><br />Alarm concentration: 2500PPM ( higher or lower 1500PPM )<br />Working Temperature: 0 to 45 Degrees Celsius<br />Wireless Frequency: 315 / 433MHz ( only for wireless version )<br />Usage: Petroleum Gas， Natural Gas， Bio-gas， Gas<br />Working Humidity: 10 - 95 Percent RH<br />Alarm Time: Non-stop When the Concentration over 2500PPM<br />Wireless Distance: No More than 80m<br />Size: 12 x 8 x 3.5cm<br />Cable Length: 150cm<br /><br />    Specifications<br />General<br />	 Brand: Chuangyanjie                                                  <br />                        Material: Plastic                                                	<br />Dimension and Weight<br />	 Package weight: 0.370 kg                                                  <br />                        Product size (L x W x H): 12.00 x 8.00 x 3.50 cm / 4.72 x 3.15 x 1.38 inches                                                  <br />                        Package size (L x W x H): 15.00 x 11.00 x 6.00 cm / 5.91 x 4.33 x 2.36 inches                                                	<br />Package Contents<br />	 Package Contents: 1 x Gas Detector， 1 x Battery                                                	<br /><br /><br /><br />                                            <br /><br /><br /><br /><br /><br />                       <br />Product Safety Disclaimer: <br />We do not accept any responsibility or liability for misuse of this or any other product.  All our products are extensively tested to comply with rigorous and strict QC standards.  For certain products (e.g. toys， knives， etc.)， we recommend proper supervision as we cannot be held liable for misuse or accidents.<br /><br />  <br />Disclaimer: <br />We do not accept any responsibility or liability for the incorrect purchase of our products.  All of the products on the website are extensively tested to comply with rigorous and strict QC standards.  For all of our clothing products， items and accessories， please take careful note of the precise measurements， mainly shown in centimeters (CM).  As part of our company policy， we will not be able to accept returns or provide refunds for items which are the wrong size.<br /><br />  <br />Please Note:<br />Due to possible physical differences between different monitors (e.g. models， settings， color gamut， panel type， screen glare， etc)， the product photography is illustrative only and may not precisely reflect the actual color of the item received.<br /><br />                                                <br />