Auto Dial Battery Powered GSM PIR Alarm Wireless Siren With Free Sim Card Included. Built-in 90dB high loudness siren, on-site deterrence alarm Use two CR-123A batteries, standby for up to 1 years. You have a shed, garage or caravan with no power or wifi ?.
eBay
Scare off would-be intruders and alert the neighborhood with this wireless 105 dB indoor/outdoor siren. Loud 105 dB siren makes sure the alarm is heard when a security risk is detected. IP65 weather-resistant design, so the siren can be used indoors...
eufy
Driveway Alarm- 1/2 Mile Long Range Wireless Driveway Alarm Outdoor Weather Resistant Motion Sensor & Detector. It is a great solution even you have a long driveway or large property to monitor. The system adopts advanced wireless transmission technology(FSK+FHSS) to avoid the wireless singal interference from other wireless devices.
eBay
Staniot Wireless Alarm Security Keypad Built-in 1500mAh Battery Anti-dismantling Alarm RFID Tag for Home Security Alarm System
Aliexpress UK
This is a multi-purpose vibration alarm. The alarm will sound when it is triggered by vibration. Easy to set whether the alarm is triggered by a light touch or a hard shake. IP54 waterproof, no fear of rain or snow.
eBay
Hollarm Wireless Doorbell Set 400M Remote Control Waterproof 433MHz Wireless Alarm Smart Home Welcome Door Bell Chime EU US Plug
Aliexpress UK
eBay
Mini Wireless Alarm Door Stop Alarm 120dB Great for Home Wedge Shaped Stopper Alert Security System Block Blocking System
Aliexpress UK
If a SIM card is inserted,the alarm system can work normally even if the wifi is disconnected. Support expansion of up to 200 accessories, such and motion detector, door window sensor and other accessories which can work with "Tuya" and "Smart Life" APP.
eBay
Tuya WiFi Wireless Alarm System Home Security Burglar loudly Siren 433MHz Motion Infrare Detector Door Sensor Alexa Google Home
Aliexpress UK
3 Wireless PIR Motion Detector with 9V Battery. The host supports up to 30pcs wireless detectors, 8pcs remote key fobs, 4 doorbell buttons. 2 Wireless Remote Key Fobs with 23A 12V Battery. 2 Wireless Door Sensors with 23A 12V Battery.
eBay
Elecpow Door Window Alarm Home Security Wireless Burglar Alarm Door Magnetic Sensor 120dB Anti-theft Alarm For Home Kids Safety
Aliexpress UK
Feature 2 Tuya APP, Compatible other tuya device. WIFI GSM Alarm System. arming type RFID Card. Door sensor and infrared detector have no battery include as normally. 5 alarm calls + 5 alarm SMS + APP notification.
eBay
KERUI Wireless Burglar Alarm System Home Alarm W202 Tuya Smart WiFi GSM Alarm for House With Motion Detector Door Sensor Alexa
Aliexpress UK
Feature 2 Tuya APP, Compatible other tuya device. WIFI GSM Alarm System. arming type RFID Card. Door sensor and infrared detector have no battery include as normally. 5 alarm calls + 5 alarm SMS + APP notification.
eBay
KERUI Wireless Burglar Alarm System Home Alarm Tuya Smart WiFi GSM SMS Alarm For House With Motion Detector Door Sensor Alexa
Aliexpress UK