Home » Sound Evacuation Systems » USD card for activation of EN54-4 battery charger in ONE-500
Battery charger update and activation card EN54-4 for ONE-500. Once activated, the card becomes a key for the charger to work permanently.

| Model | LDAONEBC1S01 |
| Reference | ONE-BC1 |
| ONE-BC1 hardware | µSD card |
| Package dimensions (W x H x D) | 190 x 20 x 140 mm / 7.5” x 0.8” x 5.5” |
| Gross weight | 0,1 Kg / 0.22 lb |