Welcome to our store! 1. Semiconductor cooling is a type of cooling technology that produces negative thermal resistance, characterized by non-moving parts and high reliability 2. Uses high-quality aluminum plate, excellent cooling performance, cools quickly 3. Stable operation and low noise, no refrigerant required 4. Easy handling, good portability Application: School tests, liquid cooling tests, ice formation for drinks in dorms, using a battery to deliver chilled drinks during outdoor fishing Features: Semiconductor cooling is a type of cooling technology that produces negative thermal resistance, characterized by non-moving parts and high reliability Uses high-quality aluminum plate, excellent cooling performance, cools quickly Stable operation and low noise, no refrigerant required Easy handling, good portability Application: School tests, liquid cooling tests, ice formation for drinks in dorms, using a battery to deliver chilled drinks during outdoor fishing Specifications: Rated voltage: DC 12V Color: Black Size: approx 15*21.5*10 cm / 5.9*8.5*3.9 in Weight: approx 1152g / 40.6oz Package list: 1 x semiconductor cooling cabinet