Factory Price Fire Alarm Smoke Detector With 9V Battery Operated

Factory Price Fire Alarm Smoke Detector with 9V battery operated Product Description  Main Features: Auto-check malfunction Infrared photoelectric sensor MCU processing, eliminate false alarm Photoelectric sensing technology Dustproof, mothproof, anti-light interference design Hush function Lower battery indication Execute criterion: EN14606; UL217 Technological details Model No. SR-820PHS Operating voltage 9V battery Interconnection N/A Hush function YES Code form N/A Sending frequency N/A 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   Related products Company Information   Our certification1   FAQ 1:Can I get one sample for test before big order ? Sure, you can.Please leave a message we will contact you soon. 2. Can I customized LOGO? Yes you can. Packaging, products, instructions can be printed logo. 3. Can I customized functions?  Yes you can, we have professional R&D team to support best service, and give you best suggestions. 4. How about the quality of your products? Our raw materials are purchased from qualified suppliers. And we have a strong quality control team to guarantee our products quality. 5. How long is your products quality warranty? The warranty period is 2 years from the factory, if there are individual quality problems, we will replenish the customer in the next batch of orders 6. When can you ship out my order after my payment? Normally samples order: about 5-7 days; mass order 2-3 weeks. 7. Can I visit your factory and company office? Sure,  welcome ,any time! Packaging Shipping1 Our product packaging is generally white box and neutral color box, or can be customized packaging by customers. The outer packaging is generally a boxed carton or other outer packaging! Our delivery time:sample for 3 working days and orders for 2-3 weeks ! Express(UPS, DHL, Fedex, EMS, TNT etc) is available; Sea and Air delivery is available ! Contact us Inquiry navigation CHAT NOW   SEND INQUIRY Tel: 86- 755-89571625 Fax: 86- 755-89571207 skype :cnsumring03 TradeManager:sumring Website:   Inquiry now, we will reply you upon receive your email!