Can be used in refrigerator, portable cooling car box, liquid cooling, temperature stabilizer, etc. Chip model: TES1-12704 Dimension: 30 x 30 x 3.2mm Component couples: 127 Wire specification: wire length 70 ± 5mm, tinning to one head 5mm, standard RV wire Internal resistance: 2.5 ~ 3.5 Ohm (ambient temperature 23 ± 1 ℃, Ac test 1kHZ) Maximum temperature: Tmax (Qc = 0) ≥65 Working current: Imax = 4A (when the nominal voltage is started) Nominal voltage: DC 12V, Umax: 15.2V Power of cooling: Qcmax 36W Assembly pressure: 85N / cm2 Material: Ceramic Cable length: 20cm White color Working environment: temperature range from -55 to 83 ° C (a drop in high ambient temperature directly affects the efficiency of the encapsulation process: standard 704 silicone rubber seal