Product Description4-stage multistage TEC4-24603 3A 14.6V 6.8W 15*15 20*20 30*30* 13.6 40*40MM Thermoelectric Cooler modules Peltier Plate element TypeNumberlmax (A) U max (V) Qcmax T=0 (W) TmaxQC=0 (C) Dimensions (mm) TEC4- 246033.114. 66.810715 *15 20*20 30*30 40*40 * 13.6