The Haier HR-135BLUK2KE is a compact 90-liter single-door mini refrigerator weighing 20 kg, with dimensions of 850 mm (H) × 452 mm (W) × 479 mm (D). It provides 80 liters of fresh food storage and a 10-liter mini freezer compartment, featuring adjustable glass shelves, a vegetable drawer, 2L bottle racks, a reversible door, and a 3W LED light. The unit runs on a standard 220V–240V / 50Hz supply with a 60W power input and 0.8A current, consuming 160 kWh annually. It utilizes 25g of flammable R600a refrigerant and C-P insulation gas, operating quietly at 37 dB(A) with a direct cooling system. Service and repair must be performed by trained personnel to avoid puncturing the tubing or risking fire.