Colorful heaven,color your life
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<br />Features:
<br />100% brand new and high quality 
<br />MUC automatic processing technology
<br />Wireless interconnection alarm
<br />Hush botton
<br />Malfunction Auto-check
<br />Automatic reset after-trigger
<br />Infrared photoelectric sensor
<br />Sound and flash alarm/LED indicating Alarm
<br />SMT manufacture Technolog, reliable and stability
<br />Dust-proof,insect-proof, anti white light interference
<br />Anti-RF interference(20V/m-1GHz)
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<br />Specifications:
<br />Condition:brand new 
<br />Mode:LS-828-14AD
<br />Operating Voltage:9V 6F22 battery or AC220V/110V with 9V back up battery(AC and DC type)
<br />Static Current:<=45uA
<br />Alarm Current:<=60mA
<br />Battery life:about a year
<br />Power indicator: red LED flashes every 45s
<br />Alarm indication:LED flashes in red constantly
<br />Level of sound: >=85dB/3m
<br />Wireless interconnection frenquency:433MHz
<br />Wireless transmitting distance:200m(open area)
<br />Operating temperature:-10 degree to 50 degree
<br />Environment humidity:<=95%RH(no congelation)
<br />Size:123*123*43mm
<br />Weight:207g
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<br />Package Includes:
<br />1x Wireless Interconnected Photoelectric Smoke Detector
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<br />Colorful life, colorful shopping