Dimensions: 28 x9 x 25 cm (W x D x H) Weight: 2.7 Kg ( include battery) Defibrillation Impulse shape: Biphasic, current regulated (CCD) Energy in the manual mode: 140-360J languages optional:chinese、Enhlish、Japanese、Korean Power supply(battery):Non rechargeable battery,LiMnO2 Discharges times:200@360J Service life:6 years