1. Thermoelectric, CFC free, no compressor 2. Cool and warm 3. Certificate: CE, ROHS, GS, UL,EMC, TUV, ... days according to your requirements.Certificate:CE, EMC, LVD,ROHS, E-MARK, ERP / EEI ≤ 125, UL, ... the ambient temperature (25 degrees)•Warming: 40-60 degrees•Thermoelectric, no compressor, CFC/HCFC FREE• •Packing Details:• ... : 672PCS, 40HQ: 720PCS 30L car refrigerator thermoelectric cooler and warmer