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Quick Details

  • Place of Origin: Fujian, China (Mainland)
  • Brand Name: Karassn
  • Model Number: KS-799S
  • GSM Band: 900MHz,1800MHz,1900MHz
  • Frequency: 433.92MHz home alarm GSM system
  • Power: AC220V±15%
  • Siren build in: Inner Siren
  • Battery: 12V/900mA
  • Humidity: 10% - 85%
  • Color: Ivory white GSM home alarm
  • Alarm phone: 8 phone NOs. supported
  • Zone: 16 wireless zones
  • Support system: IOS and Android

Packaging & Delivery

Packaging Details Each home alarm GSM system in a color box.
Delivery Time Shipped in 25 days after payment


KARASSN Android and IOS APP Home Alarm GSM System KS-799S

 GSM home alarm, GSM home alarm system,  Android and IOS app GSM home alarm system




Long-distance wireless GSM Alarm System characteristics of long-distance and super-large capacity, which 

adopts special digital signal processing chip to manage 299 or 999 kinds of wireless detectors at the same

 time. Its receive sensitivity is high, so it can receive signals at the distance of 1-10 kilometers.


Main Feature

2. Main Feature


  • With 20s recording 
  • Support on site monitoring
  • Arm/disarm report, on/off optional
  • Support two way communication
  • Operated by IOS or Android based smart phone
  • Built-in GSM module for alarming, no wire needed
  • Report of AC and battery power status, on/off optional
  • Support remote opration by SMS for arm, disarm, monitoring

  • Alarm phone type can be set in SMS,Dialing,or SMS & dialing
  • Max enroll 8 remote controllers, support home arm, away arm
  • With arm/disarm timer, can set based on working days and weekends
  • Built-in siren, three levels sound adjustment, support wireless siren & one 12V interface for wired sire
  • 16 wireless zone, 3 detectors for each zone, four attribute for option: burglar,delay, Vocal Duress, Mute Duress



3. Specifications



KS-799S GSM alarm system







Output current of siren


Inner siren


Wireless working frequency

433MHz GSM Alarm System

GSM band


GSM emiting currency


Working temperature

-10°C - +50°C


10 ~ 85%

Wireless distance

≥400m in open area (PIR to Unit)

≥200m in open area (Remote controller to Unit)

≥300m in open area (Siren to Unit)


180 x 130 x 39 (mm)


Detailed Drawing

4. Detailed Drawing



5. Application


This GSM alarm system is suitable for enterprise, family, office building, police station to guard against theft, ask 

for help and joint defense  for public security.


Shipping & Payment

6. Shipping & Payment


MOQ10 Sets GSM alarm system


Sample available for GSM Alarm System


by Air, Sea or Express, such as DHL/FEDEX/UPS etc.


L/C, T/T, Western Union, Escrow




7. Company


Karassn Security Protection Electronics Co., LTD was founded in 2000. The company had invested over 

USD1 million establish its own production line and design Department.

Nature of Business
Manufacturing & exporting more than 50kinds of alarm systems. GSM/PSTN alarm system, Home/Commercial

/Industrial alarm system, Wireless Visible alarm system, Wireless Long distance alarm system and wireless/wired accessories. Customers are exporters, importers department stores

 & promotion agents. 

Size & Capacity
Karassn factory in China has 6000squ area, employing over 250 staffs. Production Line Capacity each month

 is 30,000 sets alarm systems with turnover around USD9.5 million yearly. 

Quality Control
All goods to be shipped are ensuring of top quality by carrying inspection procedures set by our own or client

 requirement(s). We follow the ISO 9001 guidelines for the mass production. 




Exhibition Show 



8. Production Flow




9. Certification




10. Team Show




11. Why choose us?


  1. OEM and ODM available;
  2. Certification: CE , CCC, ISO9001;
  3. 7 full new moving assemble lines;
  4. Over 250 employees and 50 R&D engineers;
  5. Supplier Assessed by Bureau Veritas France;
  6. 15 years experience specialize in designing, manufacturing alarm systems;
  7. 15  years experience in overseas market. Customers are from more than 50 countries;


KARASSN Android and IOS app wireless GSM home alarm system KS-799E   

Android and IOS app wireless GSM home alarm system

Transaction History of the Supplier

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China (Mainland) | Manufacturer, Trading Company
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Supplier's Trade Assurance Limit: US $144,000
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