Features: Semiconductor refrigeration is a kind of refrigeration technology which produces negative thermal resistance, which is characterized by non-moving parts and high reliability. Adopt high quality aluminum plate, have good cooling effect, cooling fast. Stable work and low noise, no refrigerant required. Mainly used in refrigerator heat dissipation. Simple operation, strong practicability. Specification: Rated Voltage: DC 12V Max Power: 70W (at 15V) Rated Current: 4.4A Max Current: 7A Size: Approx. 15*11*10.5cm/5.9*4.3*4.1in Weight: Approx. 667g / 23.5oz Package List: 1 x Semiconductor Refrigeration Note: 1. Red wires are positive pole, black wires are negative pole. 2. Make sure the big fan works, because the large fan is the function of heat dissipation, no refrigeration without heat dissipater, can also cause the cooling plate to burn. 1、Semiconductor refrigeration is a kind of refrigeration technology which produces negative thermal resistance, which is characterized by non-moving parts and high reliability 2、Adopt high quality aluminum plate, have good cooling effect, cooling fast 3、Stable work and low noise, no refrigerant required 4、Mainly used in refrigerator heat dissipation 5、Simple operation, strong practicability