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Quick Details

  • Place of Origin: Fujian, China (Mainland)
  • Brand Name: KARASSN Alarm
  • Model Number: KS-858
  • Usage: Personal
  • Color: Ivory White
  • Material: Plastic
  • Frequency: 433.92MHz Alarm
  • Power: AC220V±15%, DC 12V/7ah
  • Aux Power: <550mA
  • Type: wireless home alarm with LCD Display
  • Working Temperature: 0°c-55°c
  • Relative Humidity: 40%-70%
  • Certification: CCC, CE, ISO
  • Warranty: One year

Packaging & Delivery

Packaging Details Each Alarm in color box packing
Delivery Time 25-30 days for Alarm, 1 day for sample

KARASSN Metal Case  wireless Home Alarm with LCD Display (KS-858) 

home alarm,  wireless home alarm,  wireless home alarm with LCD Display




This alarm system is a Telephone Networking Alarm Console with LED&LCD display, there are 16 zones (8 

wireless zones and 8 wired zones). It works with remote controllers (up to 8 remote controllers), various wireless

(wired)  detectors and wireless (wired) sirens. It can store 5 pre-set telephone numbers (fixed/mobile telephone

 number  and pager number). One alarm happens, the alarm console will activate on-site siren immediately, and 

dial pre-set telephone numbers at the same time.


Main Feature

2. Main Feature


  • Support CID. 
  • 8 remote controller can be set
  • 30 alarm records can be inquiried.
  • Deal with alarms remotely by phone.
  • Recorded audio guidance and alarm.
  • Compatible with DTMF and pulse dialing.
  • 5 phones can be set and alarm calls priority.
  • Two timers can be set to Arm/Disarm independently .
  • Alarm delay and alrm delay can be set for appointed zones.
  • Remote control, arm/disarm/monitor and on-site alarm setup.
  • 8 partitions can be programmed independently, 8users codes controllers.
  • Phone line cut or short-circuit will send a alarm.(indicator or siren for optional)
  • 16-zones (8wireless zones and 8 wired zones) with 4*4 keyboard and lattice LCD display

  • 8 wireless zones can connect with24 wireless detectors, such as PIR detector,door sensor, smoke detector,gas detector and so on.

  • Wired zones respond speed (5ms-1000ms) and  support Normal open,Normal close and end-of-line resistance at freedom.



3. Specifications





KS-858 alarm


AC220V±15%, DC 12V/7Ah

AUX Power


Siren Output Current


Working Temperature


Relative Humidity


Wireless frequency

433.92MHz alarm



Detailed Drawing

4. Detailed Drawing



5. Application


This alarm is widely used in residence, marketplace, finance system and enterprise, superior quality with high-tech.


Shipping & Payment

6. Shipping & Payment


Box Size

38cm x 30.5cm x 12.4cm


3.7 KG/BOX



Carton size

64cm x 40cm x 65cm


10 Sets alarm


Sample available for alarm


By Air or by sea, also Express SHL/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. 14 years experience specialize in designing, manufacturing alarm systems;
  7. 14 years experience in overseas market. Customers are from more than 50 countries;


12. Contact Us



Handa Wang
Oversea Sales
Karassn Security Protection Electronics Co.,Ltd
www.karassn.en.alibaba.com / www.karassn.com 

Tel: 0086-595-22418895  Fax:0086-595-22418846

MP: 0086-15860576369

QQ: 1137159183

Skype: karassn001


KARASSN Metal Case  wireless Home Alarm with LCD Display (KS-858)

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