5/10pcs Fire Alarm Detector Heat Smoke Detectors With 85dB Voice Smart House 2 in 1 Standalone | Безопасность и защита

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heat smoke detectors

Main Features:
1.9v Battery operated 
2.Photoelectric sensing 
3.Lower battery indication
4.Loud 85dB audio alarm
5.Instant test button
6.MCU processing
7.Test and hush button
8.57℃(135℉)fixed temperature alarm
9.Execute criterion: EN54-4,UL539,EN14606; UL217

Model No SR-820DHS Operating voltage 9V battery (battery is included） Interconnection N/A Alarm temperature 57℃ Sensitivity 2.06%ft±1.3%ft Sound level 85dB/3m Installation Wall or Ceiling mounted Working environment -10℃~+50℃(≤95%RH No congelation) Dimension 128*38mm

About us

Shenzhen SUMRING technology Co.,Ltd is complete fire alarm solution factory over 15 years, products cover fire alarm control panel(fire detection system), fire detector, photoelectric smoke detector, heat detector, fire alarm bell, strobe siren, manual call point, LPG/natural gas detector, Carbon monoxide alarm, PIR detector(Motion detector) home security products etc. SUMRING owns trademarks “SUMRING”  and the  company implemented  ISO9001 standard management.

Shipment

•Free shipping only means free shipping cost, don't take any responsilbe of any other custom tax. •The transportation process is completed by the logistics company.If you have not received your shipment within 60-90 days from payment, please contact with us. We will track the shipment and give a reply to you as soon as possible. Our goal is customer satisfaction!       Warranty •We benefit for all item sale. If you need help and have any other question , please feel free to contact us by message .   Feedback: •Your Positive feedback and all 5 stars are important to us which encourage us to do better and support best service and good product for all clients .Thanks in advance for you leaving positive feedback and 5 stars. •Please don't leave negative feedback and low score, because that won't solve problems. Please give us an opportunity to service you again .   Thanks for your visit and welcome to visit us again!