Network connection. Long Battery Life. You can also verbally warn any uninvited people.
eBay
Staniot Original 7inch 4G WiFi Security Alarm Protection Kit Built-in 5000mAh Battery Alexa Wireless Smart Home Alarm System
Aliexpress UK
With long-lasting battery life, Blink Outdoor runs for up to two years on two AA lithium batteries (included).
eBay
SHIWOJIA 36X ZOOM 8MP 4G SIM Solar Camera Outdoor 360° Wireless WIFI Battery Security Cameras with Solar Panel PIR Night Vision
Aliexpress UK
Yale Wireless Shed And Garage Alarm - White - SAA5015. It is simple to install, can be wall-mounted or be freestanding. The Yale Shed and Garage Alarm is standalone wire free and battery operated alarm so there is no need to run any cables.
eBay
V380 Pro 12 MP Solar Camera Three Lens Audio Outdoor IP66 Waterproof Built-in Battery Security CCTV 6K HD 4G SIM Network Camera
Aliexpress UK
You can warn intruders by your voice or talk to family and friends. Without annoying power cord and network cables, you can install more freely and complete installation within 10 minutes. Equipped with built-in wifi module, which can effectively strengthen wifi connection and expand wifi coverage.
eBay
4G / WiFi Solar Camera Dual Lenses Outdoor 8MP 4K Low Power Battery IP Camera PIR Night Vision V380 Pro CCTV Security Protection
Aliexpress UK
The Blink Indoor Wireless Security 2-Camera System is a high-quality surveillance camera set designed for indoor use. The cameras feature full HD resolution with colour video during the day and black and white at night, providing clear video footage for security monitoring. With smart home compatibility with IFTTT and Amazon Alexa, these cameras offer convenient automation and easy monitoring. The wireless connectivity and energy-saving features make it a practical choice for home surveillance. The cameras also have automatic motion tracking, instant alerts, and night vision capabilities for added security and peace of mind. VAT Invoices available on request Fast and Free Shipping Included
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8CH 5MP WiFi NVR Solar Panel Battery Surveillance Camera Sysrtem Wireless 4MP PTZ Security Color Night Vision Surveillance Kit
Aliexpress UK
Cloud /SD card Storage. When the SD card is full, it will automatically cover the old video. You can see more valuable details to identify people, vehicles, and more objects. Built-in microphone & speaker, you can see, hear and talk to anyone who appears on the screen of your device even though you are thousands of miles away.
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Hiseeu 5MP WiFi CCTV PTZ Camera Security System Kit 10CH NVR AI Motion Tracking Color Night Vision IP Camera Surveillance System
Aliexpress UK
This ULTRAMAX 12V battery with a capacity of 1.2Ah (1.3Ah) is an ideal choice for your security alarm systems. The battery is backed by a 1-year warranty and is designed to provide consistent performance.
eBay
ANRAN 4MP Solar Camera Kit 4 Wireless Wifi Battery Cameras Home Protection System 4CH NVR 64GB SD Card PIR Humanoid Detection
Aliexpress UK
Smarter Together: Bringing you a new level of security, with the ability to integrate with lights and voice assistants to enhance your security system. What's in the box?. With end-to-end encryption, you can feel safe knowing that your system is truly secure.
eBay
AOSU 3MP Solar Battery Camera System 4 Cams Kit Wireless 360° PTZ Surveillance Wifi Camera Set Include Home Base Support Alex
Aliexpress UK