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
Yellow antique bronze key, entrance door handle with lock, outer door lock and key, bedroom retro door handle, zinc alloy
Aliexpress UK
1) 8-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
Retro Door Lock European Style Retro Aluminum Alloy Vintage Door Lock Interior Anti Theft Room Door Lock
Aliexpress UK
1) 8-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
10-12mm Glass Swing Push Sliding Door Lock With 3 Keys Toughened Glass Door Lock Double Door Semicircle Hook Lock
Aliexpress UK
Convenient: Use this induction doorbell to monitor any area indoors or outdoors, and it's wireless, so you can place it anywhere in the house or even carry it from room to room.
eBay
Master Keys Skeleton Lock Hook Warded Pick Open Doors Key Set Tools for Door Lock Opening Keychain Master Key To Open All Doors
Aliexpress UK
BALL SYSTEM YALE LOCK RELEASE. 12V AC / DC. Side cover - stainless steel. Each release if fabricated from a variety of materials Surface mounted unit. Faceplate - epoxy painted steel. Premium Quality, Exceptional Service.
eBay
Awapow Wireless Door Peephole Camera 3.5 Inch Digital Door Viewer Doorbell 120° LCD Screen Monitor Home Security No Need WiFi
Aliexpress UK
Pocket sized portable passive infrared detector alarm. Operated from a PP3 battery (not supplied). Supplied with a small mounting bracket for more permanent installation. PRODUCT INFORMATION. MORE INFORMATION.
eBay
Wireless Door Stop Alarm System120dB With Door Lock Home Security Kit Anti-Theft Alarm System Portable Door Stoppers Alarm Siren
Aliexpress UK
Fully automatic infrared sensing, with strong sensitivity, can not be affected by light. The doorbell should be installed in a position where the direct air changes greatly (such as air outlet, exhaust fan, electric furnace, etc.), not installed in the sun or rain.
eBay
TTLock DS3 Wifi Remote control Window Door Sensor Smart Home Door Open/Closed Detectors Home Anti-theft Door Contact Sensor
Aliexpress UK
Item Type: Wireless Doorbell. Infrared Detector Battery: 3 x 3V AAA alkaline battery (not included). 1 x Infrared Detector. Transmission Reception Frequency: 433.92MHz. Wireless Distance: About 280m / 918.6ft in the open air.
eBay
Wireless Wifi Doorbell Camera 1080P Video Intercom Doorbell Waterproof 4.3in IPS Screen Home Security Door Bell IR Night Vision
Aliexpress UK