ANRAN Wireless Security Camera Outdoor, 1080P AI Motion Detection & Color Night Vision Home Security Cameras, Two-Way Talk, Spotlight Siren Alarm, Battery Operated Security Camera, Work with Alexa, C2 : Amazon.co.uk: Electronics
C2: 4-in-1 Alarm Clock With Wireless Bed Shaker by Nathan Rd — Kickstarter
C2 Mindray AED Semi Automatic Defibrillator with Mindray AED Unlocked Cabinet with Alarm - Defib4Life Ltd|Defibrillators and Defibrillator Pads