Best Burglar Alarm Parts

D1D9 Home Burglar Alarm System 23 pcs kit Wireless DIY GSM Auto Dialer for House Security

REMOTE CONTROL You can control this burglar alarm system Arm/Disarm/Voice Monitoring /Intercom by cellphone anywhere(Need a T-mobile SIM card).
SCARE BURGLAR AWAY When someone trigger this system that will be alarm to scare thief away and also will make a phone or sending a message to someone which you save the phone.
BUILT-IN BATTERY This system work well when someone cut wires or power off. You don’t worry other people intrude your house when power off.
CELLPHONE FUNCTION This main unit can make the phones like a cellphone.(Work with T-Mobile Card,SIM card isn't including in the package).
WARM PROMPT: The batteries are gifts. If the batteries are dead,pls buy it by yourself. If you don't know where buy it,pls contact us..

Kids Electric Circuits kit can build 335 projects investigating alternative strategies..
Circuit Experiments Kits Included: Lamp,Fan,Door Bell,FM Radio,Burglar Alarm,Morse Code and more.Light,megnet,sound,water control are involved.
Educational Science STEM Toys Contains: over 31 circuit snap parts,each component has a code printed, circuit snap parts design, well-connected and no extra tools needed..
Circuit kits for kids to study sicence. Kids can have great fun and get familiar with circuits with real circuit components and clear illustrated manual..
Kids Science Kits require 2 x AA batteries required (not included). Age 8+ Recommend..

Anti-theft Horn Alarm with Remote Control Long Distance Waterproof Security Alarm System Remote Engine Start Arming Disarming for Scooter.
Act as a great bike theft deterrent. Vibrationaly triggered alarm suitable for bicycle, motorcycle, electric bike, electric scooter and so on..
You can also use for doors and windows alarm vibration sensors..
bike security alarm can make a loud sound to draw peoples attention..
This motorcycle bicycle burglar alarm Installation by pasting with double-sided sticker or tieing it with strap..

Easy to install and operate - gate/doo/burglar alarm alarm with remote control/keyfob.
Multi-purpose - magnetic door alarms/doorbell chime/pool door alarm.
More remote and sensor paired each other -one magnetic sensor can match with at most 8 remote freely,one remote could control several sensors. Second....
Magnetically triggered alarm sounds--105db when window or interior door is opened by kids & dementia patients.
Prevent any mishap - keep children away from cabinets, ground pool,alcohol,drawer or fridge.

SCARE BURGLAR AWAY When someone trigger this alarm system that will be alarm to scare thief away and also will make a phone or sending a message to someone which you save the phone number on the main unit.(No chime,No Wifi,Only support 2G T-mobile SIM card).
BUILT-IN BATTERY This system work well when someone cut wires or power off. You don’t worry other people intrude your house when power off.
REMOTE CONTROL You can control this gsm alarm system Arm/Disarm/Voice Monitoring /Intercom by cellphone anywhere.
EMERGENCY HELP You can press an alarm button on the remote control when some emergency thing happen, this system will go off right now and will make a phone..
WARM PROMPT: The batteries are gifts. If the batteries are dead,pls buy it by yourself. If you don't know where buy it,pls contact us..

1 White ABS Normally Closed Miniature Door Contact Switch 5/8 by 3/8 with screw terminals to terminate alarm system wires.
Will Sense Door Closer at Roughly 1/2” or 10mm.
This Contact Works with Any Access Control or Burglar Alarm System Available.
NORMALLY CLOSED: When the door or window is open, the contact will give an open signal and when the door is closed the contact will give a closed (circuit) signal..

[Dimension] - Cable Length:300 mm；Sensing Distance: 25-35 mm.
Total Size: 49 x 19 x 9.8mm / 1.93" x 0.75" x 0.39" (L*W*H).
[Normally Closed] - N.C. means Normally Closed: When the magnet together, the circuit is conductive( light on ).
when the magnet separates, the circuit is not conductive ( light off )..
[Material] - The magnetic reed switch alarm is with durable zinc alloy housing for better rust resistance.
[Widely Used] - Magnetic Reed Switch Alarm works with any access control or burglar alarm system available.

[Dimension] - Cable Length:460 mm；Sensing Distance: 50-70 mm.
Total Size: 105 x 50 x 9.5mm, 104 x 18.6 x 16.5mm (L*W*H).
[Normally Open] - NO means Normally Open: when the magnet separates, the circuit is conductive( light on ).
When the magnet together, the circuit is not conductive ( light off )..
[Material] - The magnetic switch alarm is with durable zinc alloy housing for better rust resistance.
[Widely Used] - Magnetic Reed Switch Alarm works with any access control or burglar alarm system available.

SCARE BURGLAR AWAY When someone trigger this alarm system that will be alarm to scare thief away and also will make a phone or sending a message to someone which you save the phone number on the main unit.(No chime,No Wifi,Only support 2G T-mobile SIM card).
BUILT-IN BATTERY This system work well when someone cut wires or power off. You don’t worry other people intrude your house when power off.
REMOTE CONTROL You can control this gsm alarm system Arm/Disarm/Voice Monitoring /Intercom by cellphone anywhere.
EMERGENCY HELP You can press an alarm button on the remote control when some emergency thing happen, this system will go off right now and will make a phone..
WARM PROMPT: The batteries are gifts. If the batteries are dead,pls buy it by yourself. If you don't know where buy it,pls contact us..