LCD Carbon Monoxide Alarm Gas Detector with LED Light - Gearbest.com

http://tinyurl.com/p5uq9sr Secret page on GearBest with at least 35% discount for all.
Product link : http://goo.gl/LliZQ0 Description: Type: Safety, Practical For: Adults Material: Plastic Occasion: Living Room, Kitchen Room, Bathroom, Bedroom, Dining Room, Home Color: White Loud 85 decibel alarm Permanent carbon monoxide sensor Powered by 3 x 1.5V AA batteries