Home safety magnetic door sensor door security alarm switch

Home safety magnetic door sensor door security alarm switch

This SR-M31B Normally Closed（NO/NC/COM optional） Proximity magnetic reed contact switch is built to monitor the opening and closing state of windows and doors. The internal reed switch is closed, meaning the circuit is completed, when the magnet is near the sensor, meaning the door or window is closed. Thee switches cannot carry current.

General Details

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（interconnected photoelectric smoke alarms）, wifi fire 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(magnetic reed contact) etc. SUMRING owns trademarks “SUMRING”  and the  company implemented  ISO9001 standard management.

SUMRING continuously follow the trend of global advanced fire alarm development, invest 20% of earns into research & development every year, release 2 new products in 6 months, right now SUMRING provide whole fire alarm solution covering 5 categories 46 items; and fire alarm products are certified by EN54(LPCB), EN14604(LPCB, TUV), CE and ROHS;

FAQ

Q1:Are you manufacture or trading company?
A1:We are a professional manufacturer that focus on fire alarm and magnetic door switch normally closed products

Q2:What is the moq of the wifi smart home door sensor?
A2:As usual,there is ready stock for our regular & hot selling models.
So any order quantity is welcome.

Q3:Can I customize LOGO and customized functions?
A3:Yes you can. Packaging, products, instructions can be printed logo. and functions we have professional R&D team to support best service.

Q4:How about the quality of your products（magnetic door switch normally closed) ?
A4:We specialize in this field for 15 years, Our raw materials are purchased from qualified suppliers.Supporting visits to factory

Q5:How long is the warranty time of the magnetic reed contact products?
A5: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.