The Xtreme Life Smoke Detector with 4K UHD Covert Camera y DVR from KJB Security Products is designed for covert surveillance. This side-view camera is housed in a non-functional smoke detector. It uses a digital CMOS sensor to discreetly record 3480 x 2160 resolution video at 24 fps. Hidden IR LEDs provide night vision functionality. The camera's 120° field of view provides a wide coverage.

Recording modes on this device include motion detection and continuous recording. Included is a rechargeable lithium-ion battery to deliver 16 hours of continuous battery life. An onboard memory card slot supports microSD cards up to 128GB, and a 32GB card is included.