Features: brand new and high quality Using high-quality aluminum + TEC1-12706 semiconductor cooling plate, durable. The complete sealing structure isolates the moisture in the air. An excellent DIY kit for electronic enthusiasts in semiconductor refrigeration applications, suitable for computer radiators and cooling in small spaces. Completely assembled, no need to do it, saving for time. Positive red and negative black, easy to install. Save space, can be installed anywhere, easy to install. DIY Peltier kit includes TEC1-12706 semiconductor cooler and other accessories, compact size. High heat dissipation efficiency, equipped with a cooling fan, the heat dissipation effect is better, and the heat can be easily dissipated within a few minutes. No noise, no vibration, no refrigerant required. Specifications: Product name: thermoelectric peltier refrigeration refrigeration system cooler Material: ABS + Aluminum alloy Power: 12V for DC 6A (not included in this kit) Cooler model: osmo (with word side is cooling surface; no word side is radiant surface) Size: approx. 119mm/4.68in internal resistance: 2.1~2.4in. (Ambient temperature 23 1 , ac test 1khz) Maximum temperature: tmax (for qc = 0) above 67 . Operating current: imax = 4-4.6a (rated at 12v) Cooling power: qcmax 70w Working environment: temperature range-55 ~ 83 (high ambient temperatures directly affect the cooling efficiency) Main color: silver Net weight: 350g Tips: cold end frost requires the room temperature is low, it is not what the environment can be for frozen, freeze the room temperature below 25 degrees. Note: This installation module is assembled and you don'for t need to use your hands This module without power, without thermometer. Must fititng heart heat sink radiator when powering on, not repositionable to burn peltier if armchair is not mounted. the item is finished kit. Package includes: 1Set x Thermoelectric Peltier Refrigeration System Kit Cooler ( finished ) Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!