**Specifications:**
**Brand:** EIRMAI
**Material:** Environmentally friendly ABS material
**Moisture-proof:** Utilizes full sealing effect with silicone along the lid to prevent air and moisture circulation
**Color Options:** Grey, Dark Green, Black
**Model:** EIRMAI Moisture-proof Box R21
**Product Configuration:** Moisture-proof box, desiccant card, moisture-proof pad, embedded humidity meter
**Color:** Grey/Black/Dark Green
**External Dimensions:** 390X270X270mm
**Weight:** 2.14g (excluding desiccant card)
**Internal Dimensions:** 380X260X240mm
**Material Thickness:** 6mm
**Seal:** High-density silicone seal strip
**Ventilation:** Top features a twist switch for ventilation in case of pressure build-up
**Details:** Shoulder strap buckle, lock hole for added security
**Usage of Desiccant Card:** Features electronic rechargeable desiccant card to maintain humidity levels between 25%-55%
**Charging Instructions:** Charge for 3-5 hours, cool for 20-30 minutes, observe color change from pink to deep purple
**Safety Features:** Leakage protection, heat dissipation mesh, charging head
**Heat Dissipation:** Internal mesh for effective heat dissipation during charging
**Additional Features:** Sturdy ABS construction, ventilation holes for heat dissipation
**Instructional Video:** Demonstrates how to wear the shoulder strap for added safety
EIRMAI emphasizes quality and originality, using premium environmentally friendly ABS material with a thickness of 6mm for durability. The moisture-proof box features a high-density silicone seal strip and a twist switch for ventilation. It also includes a rechargeable desiccant card to maintain optimal humidity levels.