... , Umax 15.4V, R = 2.20 ohm, 127 couples Peltier Cooling Module:Peltier Modules TEC1-12705 5 ampereSize 40x40x4.2mm (WxDxH), weight 29gImax 5.3A ... , Umax 15.4V, R = 2.20 ohm, 127 couplesTEC1-12705 ΔT ... time.etc.),please refer our website: http://www.peltiermodules.com/ TEC1-12705 peltier Module 5 ampere