Type: Carbon Monoxide DetectorsAlarm Current: <75mAStandby Current: <50uAPower Supply: 3 * AA Batteries (Not Include)Place of Origin: Guangdong， China (Mainland)is_customized: YesUnit Type: piecePackage Weight: 0.200kg (0.44lb.)Package Size: 11cm x 11cm x 4cm (4.33in x 4.33in x 1.57in)