TEC1-12705 Thermoelectric Cooler Peltier 12V 
Features:
Chip Model: TEC1-12705
Dimensions: 40 * 40 * 3.8mm component count 127
Weight: 0.9 oz
Power Cord Length: Approx. 280mm
Wire size: Lead length 100 ± 5mm RV Standard wire Single head 5mm tinned
Internal resistance: 2.4 ~ 2.7Ω (ambient temperature 23 ± 1 ℃, 1kHZ Ac test)
Maximum temperature difference: △ Tmax (Qc = 0) 61 ℃ or more.
Operating current: Imax = 5A (3.9A at rated voltage start)
Rated voltage: DC12V (Vmax: 15.5V)
QMax (W) : 77W 
Assembly pressure: 85N / cm2
Working environment: temperature range -55 ℃ ~ 83 ℃ (too high ambient temperature will directly affect the cooling efficiency)
Packaging technology: around the standard 704 silicone rubber seal
Packaging standards: foam box packaging, storage conditions Ambient temperature -10 ℃ ~ 40 ℃
Storage conditions: -40 ~ 60 ℃
The cooling side is the model number placed on. 
The heating side is the blank side
Package Includes:
Peltier Plate Module TEC1-12705 x1