Best Burglar Proof Door

Securityman 2-in-1 Door Security Bar & Sliding Patio Door Security Bar - Constructed of High Grade Iron - Black

2-in-1 Door Stopper Security Bar & Sliding Door Lock Bar: Use this device for two different purposes with easily interchangeable caps for hinged doors and sliding door/window.
SECURITY BAR: Angled rubber bottom assures full contact and a strong brace on all types of floors without scratching them as well as all door knob types including french doors.
ADJUSTABLE AND DURABLE: Bar can be adjusted between 18.25" to 46.50" and constructed of high grade iron to withstand 400 pounds of pressure *please note: the sliding door caps decrease the maximum length to 46.50".
EASY TO USE: Easily props under door knob and easy to remove. Security burglar bar can also be easily adjusted.

2-IN-1 DOOR STOPPER SECURITY BAR & SLIDING DOOR LOCK BAR: Use this device for two different purposes with easily interchangeable caps for hinged doors....
ADJUSTABLE AND DURABLE: Door stopper security can be adjusted between 18.25" to 47.50" and constructed of high grade iron to withstand 400 pounds of....
SECURITY DOOR STOPPER: Angled rubber bottom assures full contact and a strong brace on all types of floors without scratching them as well as all door....
EASY TO USE: Easily props under door knob and easy to remove. Security burglar bar can also be easily adjusted.
WHAT'S INCLUDED: Security Safety Bar (3 parts), Door Caps (2pcs), Sliding Patio Door & Window Caps (2pcs), User Guide, 12 Month Warranty, & Friendly....

Work as an anti-theft alarm, ideal for metal door and window.
NC means Normally Closed:When the magnet together, the circuit is conductive( light on ).
when the magnet separate, the circuit is not conductive ( light off ).
These are the door contact sensors that are in use with any and all commercial or residential card access systems as well as all security burglar alarm system.

3.NC means Normally Closed:When the magnet together, the circuit is conductive( light on ).
when the magnet separate, the circuit is not conductive ( light off ).
4.Work as an anti-theft alarm, ideal for metal door and window.
5.These are the door contact sensors that are in use with any and all commercial or residential card access systems as well as all security burglar alarm system.

Producat Name: MC-31 Magnetic Door Sensor.
[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 )..
[Widely Usedl] - This surface mount wired door contact Sensor works with any access control or burglar alarm system available.
[Note] - the Magnetic Door Switch must be installed according to the sensing distance. It can only provide a switch signal to the transmitter. It cannot directly load the power, nor directly connect the lamp!.
[Package Included] - 5Pcs x MC-31 Surface Mount Wired Magnetic Door Sensor.

...the operation,or need pug in/out again into setting status.DOOR ALARM uses remote control to set security code for arming/disarming.
home alarm system complete with fully programmable main unit and sensors,if you want to DIY,please restore factory as manual or operation video,then add them again..
DIY expandable home burglar security alarm system-this alarm horn support up to 30 pcs wireless detectors,8 remote keyfobs,loud up to 115db deluxe door alarm system for peace of mind..
Complete DIY wireless house burglar alarm system kits includes a horn and three window/door sensors,two remote controls,two pir motion detectors, loud alarming to protect well for apartment shed hotel garage RV motor home safety ,affordable home security..
Loud SOS alarm and easy to get help-children and seniors at home in emergency,press the S button of the remote controller,which will trigger the siren alarm up to 115db to notice neighbors or other families in home so that they will get help in time..
After sale service- Kindly refer the user manual before usage,if you have any issues or need to customize alarm system kit,please feel free to contact us in our shop,we will try our best to help you out soon.
the alarm system kit can compatible with KERUI brand another type alarm hu....

...the operation,or need pug in/out again into setting status.DOOR ALARM uses remote control to set security code for arming/disarming.
home alarm system complete with fully programmable main unit and sensors,if you want to DIY,please restore factory as manual or operation video,then add them again..
DIY expandable home burglar security alarm system-this alarm horn support up to 30 pcs wireless detectors,8 remote keyfobs,loud up to 115db deluxe door alarm system for peace of mind..
Complete DIY wireless house burglar alarm system kits includes a horn and two window/door sensors,two remote controls,one pir motion detectors, loud alarming to protect well for apartment shed hotel garage RV motor home safety ,affordable home security..
Loud SOS alarm and easy to get help-children and seniors at home in emergency,press the S button of the remote controller,which will trigger the siren alarm up to 115db to notice neighbors or other families in home so that they will get help in time..
After sale service- Kindly refer the user manual before usage,if you have any issues or need to customize alarm system kit,please feel free to contact us in our shop,we will try our best to help you out soon.
the alarm system kit can compatible with KERUI brand another type alarm hub,....

AG3 LR41 SR41 192 384 392 LR736 L736 watches button cell batteries..
Capacity : 35mAhShelf Life: 2 years (not printed on battery).
Equivalent to: SR41W, SR41SW, SR41, SR736, S736E, V392, 392A, 92A, D392, 392, 192, GP392, L736, LR736, G3, G3A, V3GA, V36A, LR41, GP192, 384, D384,....
Attention: If it used for oral thermometer, "LO °C" on your thermometer means "Iow temperature", not low power battery. If thermometer shows "LO °C"....
Application : Door and Window Open Alarm Sensor ，Wireless Door Alarms，Window Alarms，Wireless Burglar Alert，Pool Door Alarm,toys, laser....

10 Brown ABS Surface Mount Normally Closed Door Contact Switch.
Will make Sense Door Closer at Roughly ¾” or 15mm.
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..