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.
eBay
KERUI 120dB Window/Door Sensor Alarm Wireless 300ft Remote Control For Kids Cabinet Safety Home Security Smart Anti-Theft D121
Aliexpress UK
1) 17-chord music chip and 40mm loud speaker for pleasant and louder alerts Remote transmission range up to 280m/ 918ft in open space. 2) 4 independent LEDs to distinguish sensing zones, with the option to synchronize sound alerts 3) 5 stages adjustable volume from 113 ~ 25dB. 4) Infrared + microwave radar composite dual detection for lower false alarm rates 5)Added silent and vibration reminder.More privacy,no disturbance ,vibration reminder for discreet alerts 6)Expandable.The receiver can learn from up to 32 wireless sensors like PIR motion, magnetic or vibration sensor as well as up to 8 remote controllers. 7) Low battery indication. Both the sensor and receiver can be powered by battery or plugged into a USB interface. 8) IP66 Waterproof ideal for outdoor use.
eBay
KERUI M525 Wireless DoorBell Burglar Alarm 32 Songs Optional 500ft Door Chime Home Security Welcome Smart Anti Theft Doorbell
Aliexpress UK
I1.2dc1VedWVedWyk" style="box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; height: 10000px; position: absolute; top: 0px; visibility: hidden; width: 912.6px; z-index: -1;">.
eBay
Sonoff DW2-WiFi Wireless Security Window Door Sensor Home Sercurity Alarm Work With eWeLink APP Support Sonoff Devices IFTTT
Aliexpress UK
Multi-purpose Suitable for various types of doors windows (sliding/crank/hung....doors and windows ), cabinets, and drawers... Real-time State Protection Immediately alarm while thief pushing the door or window. Response in 200ms. Triggered immediately Alarm will be triggered immediately once you separate two parts.110 db loud alarm helps deter intruder and possibly notifies neighbors/homeowner, also helps notify you if visitors/children/pet or others are coming/going when you are at home. Easy Installation The double-sided stickers on the back allow you to easily paste this alarm kit onto any smooth surface.
eBay
Ewelink Zigbee 3.0 Door Sensor Wireless Magnetic Window Open Closed Security Alarm Detector work with Home Assistant Zigbee2MQTT
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.
eBay
KERUI 300ft 120dB Anti-Theft Door/Windows Sensor Alarm Wireless Smart Remote Control For Kids Cabinet Safety Home Security D121
Aliexpress UK
(No app alerts without wifi).
eBay
Aqara IP67 Water Immersing Sensor Zigbee Flood Water Leak Detector Alarm Security Soaking Sensor Work With Mi Home Homekit APP
Aliexpress UK
Receiving alarm signals, alarm with loud sound and flash. 1 Acousto-optic alarm. Sound pressure (VDC):110±3. Red and blue two colors for your selection. Need to distinguish between positive and negative, red to positive, black to negative.
eBay
Zigbee Door Window Sensor Open Closed Detector Security Wireless Burglar Alarm Door Sensors Support Alexa Home Assistant Z2M
Aliexpress UK
Solar Charging: 45° Angled Solar Panel, Efficient Absorption Of Solar Energy, Super Strong Standby. Refillable Pilot Watercolour Brush Pens Water Colour Painting Pen Brushes 6pcs d. 7" Flexible Air Tyre Valve Extension Adaptor Motorcycle Car Tire Stem Extender f.
eBay
ZigBee Door And Window Sensor Home Security Wireless Burglar Alarm Door Sensor Detector Works With Ewelink App Alexa Zigbee2mqtt
Aliexpress UK