wireless smoke detectorFeatures:1.Smart design,Website:http://www.home-security-life.com, beautiful artist and easy installing.2.Intellectual single chip process and steady and credible self-testing.3.photo-sonic alarming and restore automatically 4.Connection pole design, convenience, fastness and shortcut5.suited to use it solely or fit on the wireless electropult module to use with the wireless control systemSpecification:Power: 9V batteryStatic Current: <20 uA                                   Alarm Current: <25mAAlarm output: photo-sonic alarm Alarm volume: ≥95dbOperated temperature: -10 to 45℃Operated humidity:<97%  Size: R=5.25(cm)  H=3.2(cm)LED indicator: Self-testing condition: lighting one time every 1.67sMonitoring condition: light one time every 40sAlarming condition: lighting one time every secondInstallation and usage:  Confirm the monitor area and fixup the bracket on the cell or roof of the monitored area with two bolts. Then open the cover of the detector and connect the battery with the relevant power line and close the cover. In the end, fixup the detector on the bracket.Noted:1.Close the cover and the LED indicator and testing/restore button should be correspond with the hole.2.Do not fixup the detector to the vent, ventilator and door and etc3.The distance between the detector and corner should be over 0.75 meter.4.Should be dustproof and dampproof.5.You need to program smoke sensor into alarm host panel, detailed step is: please take out alarm host panel firstly, press "SET" from alarm host → Enter code( input the 6-digit code , default: 888888) → ENT→ choose menu "Program Sensor" → Zone Number( press "" button to delete old record, and input 03, you can randomly choose from 02 to 10) → Group Number (press "" button to delete old record , and input 00, you can also choose to put 01 or 02 or 03, other digits won't be recognized) → choose "program" from "learn\delete" → Trigger smoke sensor twice (you can release some gas by lighter near the gas sensor) → when alarm host panel successfully get signal from sensors, will show 'success' in LCD screen, or else, please try from very beginning again.Maintenance: The dust and other factors will letdown the sensitivity of the detector so it must be test and maintain always.Test the detector one time every week: press the test buttonClean the detector one time every half year: cutoff the power and clean the dust with the soft brush. After-sales service:1.This system is guaranteed for 1 year from purchase date2.In guarantee period, loss resulted from use beyond normal use, user's factor, visitation of providence or other force majeure is not in guarantee scope