| Mares-Wienke RGBM (Reduced Gradient Bubbles Model) Algorithm | Mares-Wienke RGBM (Reduced Gradient Bubbles Model) Algorithm | Mares-Wienke RGBM (Reduced Gradient Bubbles Model) Algorithm | Mares-Wienke RGBM (Reduced Gradient Bubbles Model) Algorithm |
| Yes | Yes | Yes | Yes |
| Yes | Yes | Yes | Yes |
| 492' (150m) | 492' (150m) | 492' (150m) | 492' (150m) |
| Up to 12,100' (3,700m) | Up to 12,100' (3,700m) | Up to 12,100' (3,700m) | Up to 12,100' (3,700m) |
| Air, Nitrox & Bottom Timer | Air, Nitrox & Bottom Timer | Air, Nitrox & Bottom Timer | Air, Nitrox & Bottom Timer |
| Yes | Yes | Yes | Yes |
| 36-Hours | 36-Hours | 36-Hours | 36-Hours |
| Yes | Yes | Yes | Yes |
| Yes | Yes | Yes | Yes |
| User-Replaceable CR 2450 Lithium-Ion Battery | User-Replaceable CR 2450 Lithium-Ion Battery | User-Replaceable CR 2450 Lithium-Ion Battery | User-Replaceable CR 2450 Lithium-Ion Battery |
| Yes | Yes | Yes | Yes |
| Mares | آكوالانگ | - | Shearwater |
| Mares | آكوالانگ | - | Shearwater |
| Diaphragm | Diaphragm | Diaphragm | Diaphragm |
| Balanced | Balanced | Balanced | Balanced |
| 300b on DIN, 232b on yoke | 300b on DIN, 232b on yoke | 300b on DIN, 232b on yoke | 300b on DIN, 232b on yoke |
| YES | YES | YES | YES |
| YES | YES | YES | YES |
| 2 | 2 | 2 | 2 |
| 4 | 4 | 4 | 4 |
| 525g | 525g | 525g | 525g |
| 740g | 740g | 740g | 740g |
| YES to 40% O2 when new, out of the box (21% in Europe) | YES to 40% O2 when new, out of the box (21% in Europe) | YES to 40% O2 when new, out of the box (21% in Europe) | YES to 40% O2 when new, out of the box (21% in Europe) |
| 320 x 240 QVGA | 320 x 240 QVGA | 320 x 240 QVGA | 320 x 240 QVGA |
| Full colour LCD | Full colour LCD | Full colour LCD | Full colour LCD |
| 5.59cm / 2.2" | 5.59cm / 2.2" | 5.59cm / 2.2" | 5.59cm / 2.2" |
| Internal Rechargeable Li-ion battery (factory replaceable) | Internal Rechargeable Li-ion battery (factory replaceable) | Internal Rechargeable Li-ion battery (factory replaceable) | Internal Rechargeable Li-ion battery (factory replaceable) |
| 3.4 Wh | 3.4 Wh | 3.4 Wh | 3.4 Wh |
| Up to 30 hours (medium brightness) | Up to 30 hours (medium brightness) | Up to 30 hours (medium brightness) | Up to 30 hours (medium brightness) |
| Wireless Charging Station | Wireless Charging Station | Wireless Charging Station | Wireless Charging Station |
| 3 (1%-100% O2) | 3 (1%-100% O2) | 3 (1%-100% O2) | 3 (1%-100% O2) |
| 120m / 394ft | 120m / 394ft | 120m / 394ft | 120m / 394ft |
| 400 Hours or 750 dive entries | 400 Hours or 750 dive entries | 400 Hours or 750 dive entries | 400 Hours or 750 dive entries |
| 77mm x 68mm x 25mm | 77mm x 68mm x 25mm | 77mm x 68mm x 25mm | 77mm x 68mm x 25mm |
| 125g | 125g | 125g | 125g |
| Included | Included | Included | Included |
| Included | Included | Included | Included |
| Mares | آكوالانگ | - | Shearwater |
