Independent Photoelectric Smoke & Heat Alarm Security protection equipment Smoke Sensor [HM-620DHS]Solar Wireless Security Alarm System | VEDARD Alarm$11.60VEDARD Alarm provides professional wireless & solar security alarm products for home and commercial use. Stable, easy install, reliable protection.VEDARD Alarm | Wireless Wired Security Alarm Systems StoreVEDARD Security Alarm Systems Free Installation Guideone-stop home & business security solutions

Functions and Specification:
1.In comply with EN54-4, UL539, EN14604, UL217
2.Smoke alarm Sensitivity: 2.06%+/-1.3% /feet
3.Alarm temperature:57℃(135℉) fixed temperature alarm
4.With test and hush button.
5.Low battery warning.
6.Power supply:DC9V battery
7.Installation:wall or ceiling mounted
8.Dimension:Φ128*38mm

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