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#Smoke #Alarm #Fire #Detector #w/ #Photoelectric #Technology #& #Low #Battery #Signal #Fire #Alarm #w/ #Test Smoke Alarm Fire Detector w/ Photoelectric Technology & Low Battery Signal Fire Alarm w/ Test Function Home Kitchen Features: 100% brand new and high quality No need for rewiring and can be fitted on a wall or ceiling, simple to install in minutes. The detector adopts the special structure and ASIC design, has the characteristic of dustproof, mildewproof and anti outside light interference etc. The fire alarm tests itself automatically every 5 seconds and will warn you of faults or a low battery, constantly keeping you safe and giving you peace of mind. Features the latest photoelectric sensor and intelligent chipset to quickly and accurately detect dangerous smoke levels, instantly alerting you via an 80-dB alarm and a rapid-flashing LED indicator. Suitable for all fields: homes, shops, hotels, restaurants, office buildings, schools, banks, libraries, computer rooms and warehouses. Specification: Material: ABS Powered by 9V battery (Not Included) Usage: Fire, Smoke Alarm volume: 10 feet to 80 dB Package Includes: 1x Smoke Detector( battery excluded) 2x Screws 1x Manual note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.