This product with intelligent design detects Coal Gas and natural gas propane， is suitable for detect the smoke in house， shop， hotel， restaurant， office building， school， bank， library， computer house and storehouse etc<br /><br />Features:<br />1. Applicable gas: Coal Gas， Natural Gas Liquefied petroleum Gas，etc<br />2. Excellent stability<br />3. High sensitivity<br />4. Loud ∫70dB audio alarm<br />5. Green LED on for monitoring status<br />6. Alarm Indication:Red LED flash<br />7. Alarm Mode: Sound/LED Indicator/simultaneously send signals to control host(alarm output on/off)<br />8. Designed for the fastest possible installation<br />9. suitable for detect the smoke in house， shop， hotel， restaurant， office building， school， bank， library， computer house and storehouse etc <br /><br />Specifications:<br />1. Working Voltage: DC 10V-14V<br />2. Working current: ∵150mA<br />3. Sound Level: ∫70dB/m<br />4. Alarm respond delay： &amp;lt; 30s<br />5. Alarm Flash Visibility:3m<br />6. Alarm density error: ∵5％ <br />7. Alarm density:6％ <br />8. Operating Temperature: 0 ~ 55 Degree Celsius<br />9. Alarm Mode: Sound/LED Indicator/simultaneously send signals to control host(alarm output on/off)<br />10. Size: 103 x 103 x 50mm<br />11. Material: ABS plastic<br />12. Color: White<br /><br />Note: Battery is not included!<br /><br />Package Included:<br />1 x Smoke Detector Home Security Fire Alarm Sensor System<br />1 x English User Manual