The sensors will detect the door/window, and will be triggered to send out a signal when the door/window opening. Receiver will receive the signal and alerts. 【Easy Installation】 - Step 1: Choose a favorite ringtone and pairs the sensor and receiver.
eBay
Spring Handle Pocket Sliding Door Lock Embedded Pocket Door Sliding Door Sliding Door Hidden Door Hand Hardware Accessories
Aliexpress UK
Use it to monitor any area inside or outside, it's wireless so you can place it anywhere in the house or even take it from room to room. Wireless Plug-in Receiver: The portable wireless plug-in receiver plugs into any standard outlet.
eBay
New No-Drill Door Stopper - Extended Door Stop for Anti-Theft Doors & Entry Doors, Door Bumper to Prevent Wall Damage
Aliexpress UK
A: No, this siren work as an alarm system, it can work with wireless sensors to protect your house. 4 x Wireless Motion Detector. 2 x Wireless Motion Detector. Simple,Cheap,Effective Alarm System Wide Application.
eBay
Stainless steel door latch, black door latch, iron cage latch lock, pet cage door, barn sliding door, locked door latch
Aliexpress UK
This alarm is the perfect way to protecting your home or place of business against theft. The alarm function is triggered using a magnetic sensor or using the provided remote control. You can arm, disarm, sound alarm and change to the doorbell function using the remote. This is ideal for shops and offices. The 110 decibel alarm is perfect on windows, doors and sheds to protect your goods. Features: 100% brand new and high quality Super loud 110 dB alarm Convenience in installation, just peel and stick Super environmental suitability and stability Dustproof and insect prevention Easily mounted by adhesive Ideal entry warning for homes, apartments, mobile homes and more.
eBay
Mechanical Door Lock Experimental Equipment Door Lock Electric Cabinet Door Lock Genset Door Lock Silent Generator Door Lock
Aliexpress UK
Easy installation, No wiring needed! No screws needed! Just affix the provided stickers to various parts of the house, such as doors, windows, cabinets, drawers and gates. (Note: Keep the installation area clean and ensure that the sensor is installed within 1 cm from the arrow side of the burglar alarm.).
eBay
jingyuqin For Tomahawk TZ9030 TZ9010 SL-950 S-700 Silicone Case KeyChain For Russian 2-way Alarm System Alarm Key Fob Cover
Aliexpress UK
Features:-It uses a 110dB high decibel alarm, which can play an effective warning role.-Using high-sensitivity sensor, the alarm will be triggered immediately when the door or window is opened 1 cm.-Using double-sided tapes for installation, no drilling, no tools required, easy to use.-Powered by 2 AAA batteries (not included), energy-saving and low-consumption, the lights of the remote control and the host will flash to remind when the power is low.-Using reed switches and industrial-grade chips to ensure low false alarms.-Suitable for rental houses, dormitories, hotels, warehouses, shopping malls, shops, villas, etc.Specification:Colour: whiteMaterial: ABSSize: 85*43*10mmHost power supply: 2*AAA batteries (not included)Alarm volume: 110dBVoltage: 12VW.
eBay
Free shipping 4G/3G New GA01P minil GSM Alarm Systems SMS Alarms Security System rechargeable module for power failure alert
Aliexpress UK
1.NO means Normally Open: when the magnet separate, the circuit is conductive( light on );When the magnet together, the circuit is not conductive ( light off ).When make order,please check carefully! 2.NC means Normally Closed: when the magnet separate, the circuit is not conductive( light off );When the magnet together, the circuit is conductive ( light on ).When make order,please check carefully!Note: Door magnetic induction can only provide a switch signal, which can not directly load the power, nor directly connect the lamp!.
eBay
Jingyuqin Remote Tw9010 Silicone Case KeyChain For Russian 2-way Alarm System Alarm Key Fob For Tomahawk Tw9010 9010
Aliexpress UK
Door Alarm for Kid's Safety. Door and Window Alarm. 3 Applicable Scene. 4 Applicable Scene. 1 1 Receiver 1 Sensor. 3 2 Receivers 1 Sensor.
eBay
433Mhz Indoor Wireless Siren Alarm For Smart Security Alarm System PG103, PG105, PG107, PG108
Aliexpress UK