| Dimensions (L x W x H) | RL3e: 193 x 142 x 81 mm RL4e: 200 x 166 x 81 mm |
| Weight | RL3e: 0.88 kg(1.95lb) RL4e: 0.98 kg(2.16lb) |
| Media Width | RL3e: 26 mm to 79 mm(1 in to 3.125 in) RL4e: 51 mm to 105 mm (2 in to 4.12 in) |
| Media Thickness | 2 mil to 6.5 mil |
| Media Outer Diameter | 67 mm (2.65 in) |
| Media Roll Size | 19 mm (0.75 in) |
| Print Method | Direct thermal |
| Print Resolution | 203dpi |
| Print Width | RL3e: 72 mm (2.8in) RL4e: 105mm (4.125in) |
| Batteries | 14.8V |
| Battery Capacity | 2200 mAh |
| Charge Time | 4-6 hours |
| Operating Temperature | -20°C to 50°C (4°F to 122°F) |
| Storage Temperature | -40°C to 60°C (40°F to 140°F) |
| Operating Humidity | 10% to 90% non-condensing |
| Storage Humidity | |
| Drop Specifications | 1.8 m (6 ft) |
| Protection Ratings | IP54 |
| Memory | 64 MB RAM/128 MB Flash |
| Media Sensors | Gap / Mark / Contuine |
| Interfaces | Serial/USB/Bluetooth/WiFi |
| Display | 128 x 64 LCD display with white LED backlighting, four-button user interface |
| Printer Command Languages | Ez-Print, DPL, ZPL II, CPCL, IPL, XML (limited) |
| Barcode Symbologies | Linear: Codabar, Code 3 of 9, Code 93, Code 128, EAN-8, EAN13, Interleaved 2 of 5, HIBC, PLESSEY, MSI/Plessey, UCC/EAN-128, UPC-A, UPC-E, UPC2 and 5 digit addendums, Postnet, Telepen, UPS MaxiCode, FIM, USD-8 2D Symbologies: PDF417, Aztec, QR Code, GS1, Datamatrix, TLC39, MicroPDF417 |
| Options | AirWatch support Lua and JSON scripting language Charge contacts Cigarette lighter vehicle charger Configurable multi-bay charger Dual-battery charger IP54 environmental case Linerless single-bay charger for use with external multi-unit charging adaptor |
