| Specification | Details |
| Model | RTWH156MS4 / RTWH156LS4 |
| Product Type | 2-Door Undercounter Worktop Refrigerator |
| Gross Capacity | 318 Litres |
| Effective Capacity | 308 Litres |
| External Dimensions (W × D × H) | 1500 × 600 × 824 mm (with castors) / 1500 × 600 × 850 mm (with 150 mm legs) |
| Internal Dimensions (W × D × H) | 1132 × 480 × 588 mm |
| Net Weight | 103 kg |
| Gross Weight | Approx. 123 kg |
| Power Supply | 230 V AC, Single Phase, 50 Hz |
| Rated Current | 1.7 A |
| Rated Power | 340 W |
| Compressor | Hermetic, 477.5 W |
| Heat Rejection | 0.712 kW |
| Power Cord | 3 m, 10 A Plug |
| Temperature Range | -2°C to +12°C |
| Temperature Control | Electronic Digital Controller |
| Temperature Display | Digital Thermometer |
| Cooling System | Forced Air Circulation |
| Defrost System | Automatic Off-cycle Defrost |
| Condenser | Forced Air, Wire-on-Tube |
| Evaporator | Forced Air, Fin & Tube |
| Refrigerant | R290 (Hydrocarbon) |
| Refrigerant Charge | 70 g |
| Shelves | 4 Adjustable Shelves |
| Shelf Size | 535 × 410 mm |
| Cabinet Exterior | SS430 Hairline No.4 Finish (Rear & Bottom Galvanized Powder-coated) |
| Cabinet Interior | SS430 Hairline No.4 Finish Stainless Steel |
| Insulation | High-density CFC-free Polyurethane Foam |
| Foaming Agent | Cyclopentane |
| Door Type | 2 Self-closing, Lockable Doors |
| Door Gasket | Removable Magnetic Gasket |
| Mobility | 4 Non-adjustable Castors (Adjustable 150–170 mm Legs Optional) |
| Interior Lighting | LED Strip (LS4 version) |
| Climate Class | Class 5 |
| Operating Ambient Temperature | 5°C to 43°C |
| Voltage Tolerance | ±6% |