Features: 1) Sound amplification 2) Alarm 3) Patented product: Yes 4) OEM availability: Yes Specifications: 1) Dimensions (L x W x H): 275 x 215 x 135 mm 2) Power: 8 x AA batteries 3) Weight: 610G (Not including batteries) 4) Vertical speaker 5) Sound amplification output: 7~14W 6) Material: reinforced ABS Packing: Color box dimensions (L x W x H): 275 x 150 x 230mm 10pcs/ctn Carton dimensions (L x W x H): 750 x 550 x 230mm Conveyance: QTY/20 FCL: about 3000pcs