Size: 14.4cm x 7.5cm x 3.2cm. Smart Doorbell: Get a personalised wireless Wi-Fi smart video doorbell. Security: Keep your home and family safe with the help of this wireless video doorbell. Features: HD 720p image quality, night vision, remote active wake up, rainproof, intercom, 3-55 second alarm reaction time, and built in Wi-Fi. Options: Choose from the doorbell on its own or the doorbell with batteries included. Colours: Available in black and silver. Wireless: Supports Wi-Fi 2.4GHz (this doorbell does not support 5G network). | Personalised Wi-Fi Smart Video Doorbell - Black | Wowcher