Appleby D230COA Carbon Monoxide Alarm 230V Mains Powered 46x130x75mm Thermoplastic 9V Alkaline Battery Back Up

• · 9V Alkaline battery backup included
• · Self test on sensor & self diagnostic feature
• · Easy installation
• · Test Facility: Y
• · Power Supply: AC
• · Length Min Max: 130 mm
• · Width: 75 mm
• · Height: 46 mm
• · Battery Size: 9V
• · Voltage: 230 V