120db ultra loud alarm ringing. When you install the in your house, office or factory, it will ring to alarm once children open the doors and windows or a theft breaks in. 1 Wireless. If you are satisfied with our service, pls.
eBay
KERUI M5 32 Songs Wireless PIR Motion Sensor Door Bell Shop Visitor Alert Chime Alarm Burglar Doorbell for Office/Home Security
Aliexpress UK
Weight: 128g. • Portable Doorstop Preasure Alarm :The alarm system can be easily carried around, making it convenient to use in different locations. You can use it as common door stopper when turn down the ON/OFF switch,hold door in open position.
eBay
KERUI M521 Wireless Doorbell Outdoor Smart Home Security Welcome Chime Kit 57 Songs Door Bell Alarm LED Light Waterproof Button
Aliexpress UK
Can be used as a door stop alarm and door stopper, A protector around you. Just put the door stop security Alarm under the door and turn on the switch. It is the high damping rubber at the bottom which can prevent the door sliding.
eBay
12V/24V/220V Strobe Siren Alarm Waterproof Safely Security Alarm Strobe Anti-theft Alarm Warning Light Flashing Led Strobe Lamp
Aliexpress UK
105db Instant Alarm. Complete with Mounting Pads. Easy Installation.
eBay
12V/24V/5V Strobe Siren Alarm Waterproof Safely Security Alarm Strobe Anti-theft Alarm Warning Light Flashing Led Strobe Lamp
Aliexpress UK
Each device functions as both adoor stopper and motion-triggered alarm, producing an ear-piercing120dB siren when pressure is applied to the door — instantly alerting you to any unauthorized entry. Dual function: door stopper + intrusion alarm.
eBay
Y51A for Touch Door Knob Entry Alarm Alert Security Anti Theft
Aliexpress UK
Type: Door Stop Alarm. 2/4 × Door Stop Alarm. Net weight: 120g/4.2oz. Battery: 1 9V battery(Not include). Material: Stainless steel cover/Plastic body/Damping rubber bottom.
eBay
KERUI Wireless 433MHz Window Door Magnet Sensor Detector For KR-W181 W184 W204 Home Security Alarm Systems Burglar Anti-theft
Aliexpress UK
Can be used as a doorstop when power switch is turned off. Once there are criminals trying to invade the room, they will send a high alarm sound of 120 decibels to scare off the criminals and remind you and neighbors.
eBay
for Touch Door Knob Entry Alarm Alert Security Anti Theft
Aliexpress UK
eBay
Tuya Zigbee Door Sensor Contact Sensor Window Open Closed Detector Smart Home Alarm Security Protection Support Alexa Smart Life
Aliexpress UK