Backup battery wireless strobe alarm siren security alarm system siren for home

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$6.50 - $11.00 / Piece | 1 Piece/Pieces (Min. Order)
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Quick Details
Place of Origin:
Guangdong, China
Brand Name:
Model Number:
BL520 wireless strobe alarm siren
Product name:
433/315 Mhz optional wireless strobe alarm siren wireless alarm system
Rated voltage:
Backup battery:
7.4V / 400MA
alarm with sound and light
Wireless frequency:
315/433Mhz optional
Remote control to Out Arm/Home Arm/SOS alarm/disarm
Wall hanging
1 Year
Indoor / Outdoor
Supply Ability
Supply Ability:
888888888 Piece/Pieces per Month wireless strobe alarm siren
Packaging & Delivery
Packaging Details
Neutral packing for wireless strobe alarm siren


Product Description

Backup battery wireless strobe alarm siren security alarm system siren for home



Wireless strobe alarm siren


1. wireless alarm host

2. wireless siren accessory




As a standalone wireless alarm host, working with wireless PIR sensors/Door senrsors/remote controllers/other accessories , it will alarm with sound and light when accessories triggered. 





As a wireless siren accessory, working with wireless alarm host, it will alarm with sound and light when the host triggered.






Product Show



Brand: BaiLing OEM ODM
Model: BL-520
Type: home use
Rated voltage: 12 (V)
Rated current: 200 (mA)
Installation: wall hanging
Weight: 80 (g)
Backup battery: 7.4V

1. Support learning to add four sensors. 14 bit alarm code (the last four code is 0001) .
2. Alarm with both voice prompts and quick flash strobe.
3. Wireless learning code: to add new accessories, convenient, safe and efficient .
4. One-key-control function: Remote control to Out Arm/Home Arm/SOS alarm/disarm
5. Built-in Lithium battery : 7.4V / 400MA
6. Manufacturer resource , OEM & ODM customization.



Technical parameter:

Power output: DC12V 500mA
Standby current:≤13mA
Alarm current:≤230mA
Wireless frequency:315MHz/433MHz(Optional)
Code: SC 2262 IC / 4.7MΩ
Working temperature:-20℃ ~ +55℃
Working humidity:40% ~ 80%RH
Backup battery: AAA 7.4V




Applications: government agencies, enterprises, buildings, banks, hotels, villas, ATM, perimeter anti-Vietnam system and security services companies, etc. 







CE RoHS Certification 

Packaging & Shipping


Packing : Neutral packing


Our Services


We offer the best services and saleafter to our customers, Pls feel free to contact us! 

Before packing,we have strict testing system to insure the high quality of our goods.

Company Information


HONGKONG BaiLing International Co.,Ltd is a foreign trade company with 8 years experience.We have our sales department,technical department and also production department.With the endurance of our research and development department,our main products are all have CE&ROHS certificates.Our faith is to provide the best goods for our best customers.




1.How to place an order?
Please send us an inquiry to me ,I will reply to you within 12 hours

2.How to send the money?
(1) T/T (2) Paypal (3) Western Union (4 )Alibaba (5) Wechat (4)  Alipay.

3.When will you send out the goods?And how long time we received them?
Normally , we will send out the goods within one week 
(1) DHL :3-5days (2) UPS :4-6 days (3) Fedex: 6-8 days (4) TNT/Amerax : 8-10 days (5) EMS: 15-20 days
4.How long time warranty of your products?
One year warranty from the date we send out the goods.

5.If any problems on the products,how can we get the warranty maintenance?
(1)Usually if under warranty,we will offer free spare parts to replace;
(2)If can't be fixed,we will provide free new one to replace,we will share 50% and 50% for the shipping cost
(3)If out of warranty,you need to pay for the spare parts or new one and the shipping cost.
Contact Details