Product life span: 10 year. Battery life: 2 x 1.5 V AA (replaceable battery Included) replaceable battery Included. Sounds a loud 85 dB alarm. Optical smoke sensing technology detects slow smouldering fire.
eBay
Door Window Wireless Burglar Alarm with Magnetic Sensor Alarm 108dB High Volume Door Open Detectors Home Security Device
Aliexpress UK
UK Electric Fence Energiser 12V 230V Corded 2J Output 10KM Range Fencing Kit. Electric Fence Energiser 12V 1.5-2J 12km 7.5 Miles Range LCD Display AC Battery. Loud 85dB buzzer. ●Alarm Indication: Red LED & Buzzer.
eBay
KERUI W181 Alarm System Secutrity Home WIFI GSM Alarm Tuya Smart Motion Detector Door Sensor Burglar IP Camera Work Alexa Google
Aliexpress UK
When the light intensity received by the photosensitive receiver exceeds the set value, the piezoelectric horn will be driven to sound an alarm. The smoke alarm is a photoelectric smoke alarm device.
eBay
Ewelink Zigbee3.0 Water Sensor Alarm Water Leak Detector Flood Alert Overflow Security Alarm System Works With Zigbee Gateway
Aliexpress UK
Sounds a loud 85 dB alarm. Optical smoke sensing technology detects slow smouldering fire. Product life span: 10 year. Battery life: 2 x 1.5 V AA (replaceable battery Included) replaceable battery Included.
eBay
Ewelink Zigbee 3.0 Water Sensor Alarm Water Flood Leak Detector Remote Monitoring Overflow Security Alarm System Support ZHA Z2M
Aliexpress UK
AICO Ei141RC Smoke Alarm Mains / Battery Back up - Ionisation Detector. The units run outend of 2031.
eBay
1-5PCS Carbon Monoxide Alarm Detector 85dB High Sensitive CO Alarm Sensor with LCD Display for Home Office Safety Protection
Aliexpress UK
The units run out 2032.
eBay
Wedge-shaped Alarm Anti-theft Door Stopper Block Alarm Wireless Stainless Steel Cover Small Sensitivity Portable for Apartment
Aliexpress UK
Sounds a loud 85 dB alarm. Optical smoke sensing technology detects slow smouldering fire. Product life span: 10 year. Battery life: 2 x 1.5 V AA (replaceable battery Included) replaceable battery Included.
eBay
New Long Lasting 9V 9800mAh Li-ion Rechargeable Battery Large Capacity Lithium battery for Microphone Multimeter Smoke Detector
Aliexpress UK
Optical sensing technology detects smoke as it enters the alarm chamber, for a quick reaction to slow burning fires. Alarm sound pressure: 80db/1m. Alarm current: ≤ 160mA. Enjoy a peaceful night's sleep.
eBay
Rechargeable 9V Li-ion Battery 9800mAh,Long-lasting 9V Battery,Type-C Charge,for Smoke Detectors, Walkie-Talkies, Test Equipment
Aliexpress UK