| Brief Description | black metal box with a mains plug coming out of the side of it. On the same side is an on/off switch and a panel which says "MAINS VOLTAGE" and 7 holes with "0, +10, +20, 100, 150, 200, 300" beside them and 2 plastic topped screws. There is also a female slot for a lead |
| Inscription Content | MAINS VOLTAGE, 0, +10, +20, 100, 150, 200, 300 |