Feature:<br /><br />    100% Brand new and high quality.<br /><br />    Easy installation and maintenance<br /><br />    Loud 85 decibel alarm<br /><br />    Excellent reliability and high stability<br /><br />    Quantity: 1<br /><br />    Power source:AC 110V-220V<br /><br />    Working current:100mA<br /><br />    Operating Temperature : -20  ~ 50 <br /><br />    Ambient Humidity : Less than 95% RH<br /><br />    Sound level: >80db<br /><br />    Standby Mode : Green LED on<br /><br />    Alarm Mode : Red LED flashes and an intermittent acoustic alarm<br /><br />    Response time:<20 seconds<br /><br />    Recovery time:<1 minutes<br /><br />    Induced gas: Natural gas・ Town gas・ LPG・CO etc.<br /><br />    Dimensions:110mm x 69mm x 38mm<br /><br />    Color: White<br /><br />    Mounted on the wall or cabinet・ within 1.5 meters radius far from gas source・about 30cm above the ground for LPG or about 30cm below the ceiling for coal gas and natural gas --use<br /><br />    Do not install the gas detector in outdoor<br /><br />    Do not install it in the air vents air quantity Liquidity big places<br /><br />    Do not install in damp places<br /><br />Package Include:<br /><br />    1PC Smoke Poisoning Gas Carbon Monoxide Security Sensor Alarm Detector Tester (without retail package)<br /><br />