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Quick Details

  • Type: One Way
  • Function: car secuirty
  • Voltage: DC 12V
  • Frequency (MHz): 315 MHZ
  • Control Distance: 120~150m
  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: Kingcobra or OEM brand
  • Model Number: KC-D39
  • Warranty: 12 Months
  • Product name: Car alarm
  • main board: 1pc
  • remote control: 2pcs
  • shock sensor: 1pc
  • siren: 1pc
  • killer reply: 1pc
  • harness: some
  • Coding: Learning code
  • Installation: Easy
  • Business type: Manufacturer

Packaging & Delivery

Packaging Details Color box size: 17.5*12*9.2cm
Carton Size:48*26*39.5
Weight: 15kgs/pc
We can send by express like DHL, UPS, FEDEX, TNT, EMS or shipping by sea, by air
Delivery Time 30 DAYS
Product Description


car alarm with ultrasonic sensor  PT2240 315MHz


Main features:


Arming/disarming/mute arming

Car locating/ panic/ overtaking/ emergency call

Automatic central locking system

Smart LED indicator

Shock sensor

Reminder of unlocked door

Dome light delay

Electric and pneumatic lock

Car parking warning

Remote trunk release

Emergency disarming


Main board:

Output current: signal light:5A*2, siren 10A, central lock 10A
Coding: learning code
Voltage:   12+2V
Static Current:<15mA( except indicator, sensor)
Indicator Current 20mA intermittently
Shock Sensor Current:<1mA


Remote control:

Voltage: 12V


Coding:learning code
Coding times:> 1 million





1. arm the alarm
siren will chirp once and lights flash once
if equipped with central door lock , doors lock automatically
alarm is armed, the LED blinks

2. disarm the alarm
siren will chirp 2 times and light flash 3 times
the door unlock automatically.
alarm is disarm and returns to it;s normal status.

3. silent arm mode
lights flash once, but siren will not chirp
if the arm shock is triggered, lights will flash, but siren will not sound,
if thr door is open, the alarm will be activeted after 25seconds.
if illegal enter, th esiren wil chirp.

4. auto-arming mode
when press the disarm button and open the door,but if nobody enter the door, the door will be locked
automatically after 20seconds and be back to arming mode.

5. panic car search
press the button in the normal arming mode, the siren will sound and light will flash for 15seconds, press again to stop.

6. stop siren temporarily
if alarm system is triggered off, the siren will blare,by pressing button to stop the siren temporarily but the
alarm system is still on arming mode.

7. call for emergency help
indisarming mode, press the button, the siren will keep sounding and parking lights will keep flashing for calling for emergency help for 15seconds, press the button again to stop the above operation.

8. anti-hijacking

9. emergency disarming

10. option for door-open alert

11. valet mode


Product show:




Wiring diagram:



Remote control:


All our factory remote controls can work with our car alarm, keyless entry system, and we provide many choices for customer, for remote details please visit our website : http://king-cobra.en.alibaba.com





color box or gift box packing


carton size:0.056CBM.

G.w: 20kgs

N.w: 19kgs


 1.T/T by bank          2.Western Union              3.paypal          4.L/C


 All our products enjoy 1 year warranty from the date of shipped on board;


Company profile:

Zhongshan Kingcobra Electronics Co., Limited is one of professional manufacturers specialized in developing and producing vehicle security systems in China. We mainly produce car alarm systems, keyless entry systems, parking sensor systems, central locking systems, HID, car cameras and other car electronics. 


With combination of abundant experience in processing, advanced management and concerted efforts of our experienced engineers and industrial staff, Kingcobra wins a lot of praise on quality, timely delivery and service from customers around the world


We can ship by express, by sea or by air according to customer's requirement.


1. as for items,we can send them to you within 3-7days, we will promptly send you tracking number by email once we send you package.
2. we uaually send by DHL. normal delivery time is 3-7days,
3. we will glad doing long term business with every client .
4. we will use good quality packing box for your ,if packing box or product is damaged by outside factors,please take a photo and send us ,we will help you slove this problem as soon as possible.

customer photo, work Environment and canton fair


welcom to Zhongshan Kingcobra Electronics Co., Limited, and hope you have a good day. if you are interst in our product, please feel free to contact me.



Contact information:


 Ms Cassie


 Zhongshan Kingcobra Electronics Co.,Limited

Tel.:0086-760-8981 8939
Website: www.kcaralarm.com

  skype:kingcobra cassie







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