A: No, this siren work as an alarm system, it can work with wireless sensors to protect your house. Simple,Cheap,Effective Alarm System Wide Application.
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15Inch Large LED Clock Digital Alarm Clock with Time/Date/Week/Temp/Three sets of alarm 12/24H Adjustable Brightness Snooze Time
Aliexpress UK
External wired alarm connectors: 1 channel external wireless siren, 1 channel. Siren output：<500mA. GSM system：850/900/1800/1900MHz. Support the alarm such as battery problem, low power battery anti-pry alarm etc.
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Large Digital Wall Clock 10 Brightness Adjustment Dual Alarm LED Clocks Week+Number of Weeks Alarm Clock with Timing Function
Aliexpress UK
It will sound once again when the door or window is closed and reopened. - 110dB alarm siren when window or door is opened. To disarm the unit, move the switch to OFF position. Make sure the window, door or cabinet is closed before rearming.
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Large Digital Wall Clock with 7Colors Mood Light 2 Alarm TEMP Humidity Date Table Clock 12/24H Timing Countdown LED Alarm Clock
Aliexpress UK
Wireless Welcome Doorbell ●Shop Keeper in day time,anti-thief in the night,welcome/doorbell/alarm/color lights/lighting 5in1 multi-function ●Remote transmission range up to 280M/918ft in the open space ●8 chord music chip,40mm big horn,36 chime melodies,remember your last set melody and volume level once powered off ●Colorful LED lights,adjustable brightness,distinguish multiple entrances by different colors ●4 stages adjustable volume(Loud/High/Middle/Low)from 113-25dB ●Receiver can learn from up to 32 wireless sensors like PIR motion,magnetic or vibration sensor as well as up to 8 remote controllers. Door Window Anti-theft Alarm Using electromagnetic induction technology, easy to install. The open state, as long as the open windows and doors, the machine will send out 110db alarm.
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Portable Digital Travel Alarm Clock Week Display Dual Alarms Adjustable Brightness Desk Clock for Office Bedroom Nightstand
Aliexpress UK
Open the door and see if the siren sounds. 1/2/4/6/8/10X Alarm Kit (alarm unit & magnetic sensor). Sensor type: alarm. Magnetic sensor: 9X3X2CM. Alarm type: sound. Alarm unit: 4.5X1.5X1.5CM. Fix the host to the door / window with double-sided tape.
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Sanrio Cartoon Desktop Alarm Clock Children Wake Up Artifact Kuromi My Melody Cinnamoroll Kawaii Student Electronic Alarm Clock
Aliexpress UK
Besides, SNZB-04P seamlessly integrates with Zigbee hubs utilizing the Zigbee 3.0 protocol, such as SONOFF NSPanel Pro, SONOFF iHost, SONOFF ZB Bridge Pro, SONOFF ZBDongle-E, SONOFF ZBDongle-P, and Echo Plus 2nd.
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Cartoon Round Rabbit Alarm Clock Student Dormitory Digital Display Children's Wake-up Light USB Charging Bedside Alarm Clock
Aliexpress UK
Not only an antitheft alarm but also a doorbell, in doorbell mode, the vibration alarm detects vibration and sounds "Dingdong". SOS key: Press it, the alarm will bell 110db voice though alarm is not triggered.
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1pc 4.5 inch retro electroplating metal alarm clock, luminous dial, loud volume wake-up alarm clock (excluding battery)
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.
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Cute Rabbit Alarm Clock Children Adult Bedside Clock Silent Desktop Alarm Clock Fun Practical Home Children Room Decoration Gift
Aliexpress UK