• Model: F270 Heat Transfer/Tumbler Mug Printing Machine

• Vendor: Branded as FreeSub or Shanghai Ziming’s F270 line

• Operation Mode: Semi‑automatic/manual (rotary temperature control knob)

• Voltage Compatibility: Dual voltage—110 V or 220 V, 50/60 Hz, allowing global usability

• Power Consumption: Approximately 620 W

• Frequency Range: 50–60 Hz

📦 Physical Specs

• Weight: ~7.9 kg (approx. 7.7 kg in some sources)

• Dimensions: Roughly 37.5 × 38 × 32.8 cm (~38 × 38 × 33 cm)

• Packaging Volume: ~0.047 m³

🏷️ Printing Capacity & Operation

• Compatible Sizes: 11 oz to 30 oz. mugs or tumblers

• Cup Diameter Range: ~7.3–8.7 cm (2.87–3.42 inches)

• Maximum Cup Height: ~25 cm (9.8 inches)

• Simultaneous Print: Capable of pressing two 11 oz. mugs at once

• Materials Supported: Ceramic, stainless steel, aluminum alloy

⏱️ Temperature & Timer Settings

• Temp Range: ~40 °C to 210 °C (104–410 °F)

• Timer Range: 0 to 999 seconds (nearly 16.5 minutes)

• Control Features: Digital LCD and alarm (on some branded versions) for auto shut-off and overheat protection

🧩 Build & Safety Features

• Constructed with durable silica-gel and iron materials for reliable plate heating

• Built-in safety mechanisms, including thermal cut-off and automatic power-down to prevent overheating

• CE certifications available in most international retail listings