Feature 1: Carbon Monoxide Detector Feature 2: CO Detector Product Name: Natural Gas Detector Alarm: Audible, Visual Alarm Sound: 85dB Feature: 2 in 1 Gas CO Detector Plug Type: EU Plug, it applies to Indonesia, Germany, France, Spain, Italy and so on. voltage: AC220V Material: plastic colour: White Package Contents: 1 x Carbon Monoxide Detector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.