Is the iron turned off? What is that rustling noise in the next room? Four locks on the front door are clearly not enough! If
Autonomous sensor for opening doors and windows
Let's start with the classics.The magnetic sensor is attached to doors, doors, windows and windows. When the contact opens, it makes a loud sound. A cheap solution for basic perimeter protection, or an additional measure in addition to other devices. It is powered by batteries, does not connect to anything, does not depend on anything.
</ img>
Cost: $1.79 I want to buy!
Mechanical door opening alarm
A device as simple as a corner of the houseunder the door and roars (up to 120 dB) when it is opened. The siren is powered by a nine-volt battery (not included). There is a sensitivity setting in case you are only concerned about those who open the door with their feet. In general, a good thing for those who do not have enough bells at the door.
</ img>
Cost: from $ 3.18 I want to buy!
Alarm with vibration sensor
Stylish and compact "pill". It is powered by batteries, glued to tape to any surface. Being activated, it monitors the vibration on the surface and, if any, includes an integrated siren. You can attach any strategically important surface to the refrigerator door for the night and not miss its unauthorized movement.
</ img>
Cost: $7.20 I want to buy!
Door handle siren
Small box with a strap.You can hang it by the strap on the door handle and not be afraid of sudden entry by strangers. Keyword – “sudden”, because it will not stop uninvited guests by itself. But it can scare them. Or you.
</ img>
Cost: $ 4.20. Want to buy!
Padlock with fingerprint sensor
Yes, there are also tricked-out (and expensive) built-indoor locks with a fingerprint sensor and other buns. But you can play a game to try such a technology in action for a small amount. This is an ordinary padlock that opens with a fingerprint. It looks like a cool high-tech thing, especially on the doors of a garage covered with peeling paint. He remembers up to 10 prints, charges from USB and holds a charge for a year. Cool thing!
</ img>
Cost: from $ 13.30. Want to buy!
Fake surveillance camera
Very stern looking.Powered by batteries recharged by a built-in solar panel. Actually, power is only needed for the red LED, which supposedly indicates the camera’s operating mode. Otherwise, this is just a high-quality dummy. A normal budget way to give a country toilet the appearance of a strategic object that no one would be reluctant to covet.
</ img>
Cost: from $ 3.83 I want to buy!
Red flasher with a siren
Sorry, this is a pretty geeky thing, but II just couldn't pass by. Real red flashing light with siren. Available in different versions depending on the type of power supply and mounting. The coolest thing for various DIY projects in the field of security and for decoration in general.
</ img>
Cost: from $ 13.88 I want to buy!
Talking motion sensor
Unlike most analogues, it can notonly yell, but politely greeted in eleven languages. Depending on the selected mode. It is powered by both batteries and mains. In addition to this, the device is packaged in an extremely nice body, reminiscent of the futuristic robot Eve from the cartoon Wall-E.
</ img>
Cost: $ 9.90 Want to buy!
4G PTZ camera
Protection from robbers with the wire cutters they useThey cut the twisted pair cable going into the apartment. There is no Internet, but the camera still transmits the image to your smartphone thanks to the installed SIM card and radio module. True, it still needs to be powered from the mains (do you have an uninterruptible power supply?). The camera rotates 355 degrees horizontally and 90 degrees vertically, leaving virtually no dead spots. Controlled via a mobile application. It exists in several variations with different resolutions (2 or 5 megapixels) and a different set of interfaces.
</ img>
Cost: from $ 37.13 I want to buy!
Solar Powered Alarm
As we already understood, the electricity can be cut off,and the telephone line – cut. And only the sun will shine indifferently over this world, simultaneously recharging the battery of this completely autonomous alarm system. Let's hope that everything will be fine with cellular communications in the area, because the device operates in the GSM standard and sends SMS messages to your phone when motion sensors or door openings are triggered. Their number in the box depends on the selected kit; in addition, a convenient keypad unit for arming the object is available. The sensors are also autonomous, powered by CR123A batteries. If you get the hang of it, you can purchase compatible smoke and water sensors, an SOS button and a doorbell to boot. An interesting construction kit for those who are not too lazy to tinker with the layout of a maximally autonomous system.
</ img>
Cost: from $ 47.20 I want to buy!
Integrated Home Security System
Without solar panels, but with many optionsbundling, mobile application and a bunch of features. There are many such systems on Aliexpress, but KERUI seems to be the most popular. So, there are two models of control panels: with and without Wi-Fi (both work in GSM networks), motion sensors, opening doors and windows, smoke detectors, video cameras, smart sockets, as well as an alarm button, siren, smart call and control panels . You can control the system from a mobile application for iOS or Android. The system provides maximum space for creativity of home paranoid. By purchasing these or those components, you can build a real dream fortress.
</ img>
Cost: from $ 35.99 I want to buy!
Bonus! Portable alarm
Take care of your vocal cords, this baby is everythingyou can't shout out anyway. An excellent gadget for a lady’s handbag, although you can easily take it when going to the forest to pick mushrooms. So as not to scream when you get lost, but to “pull the pin” and enjoy the sound of a 120-decibel siren. The loud sound is designed to scare off attackers and attract attention to you, and with it help.
</ img>
Cost: $ 2.69 Want to buy!
Now both you and your house are more or less safe, so you can see other thematic collections:
- How to buy and place an order on Aliexpress
- 10 controllers for smartphones and tablets that improve your chances of surviving PUBG and its analogues
- 10 best monopods for selfie with Aliexpress
- 10 items for adults on AliExpress
- 10 Useful Trivia on AliExpress Up to $ 10
- 10 ideas of inexpensive gifts from AliExpress for amateur technician