 | ||
 | |  |
| HK-300VA | HK-300VA Plus USB | HK-600VA |
| |  |  |
| HK-600VA Plus USB | HK-1200VA | HK-1200VA Plus USB |
 | |  |
| HK-2000VA | HK-2400VA | HK-3000VA |
 | | |
| HK-4000VA | HK-5000VA | HK-6000VA |
| MADE IN TAIWAN | ||
 | ||
 | ||
| | ||
| | | |
| HK-300VA | HK-300VA Plus USB | HK-600VA |
| | | |
| HK-600VA Plus USB | HK-1200VA | HK-1200VA Plus USB |
| | | |
| HK-2000VA | HK-2400VA | HK-3000VA |
| | | |
| HK-4000VA | HK-5000VA | HK-6000VA |
| MADE IN TAIWAN | ||
| | ||
| | ||