| Main centres: | 1-3 business days |
| Regional areas: | 3-4 business days |
| Remote areas: | 3-5 business days |
| NO. | Component Name | PCB Marker | Parameter | QTY |
| 1 | Carbon film resistors | R1 | 33R/1W | 1 |
| 2 | Electrolytic capacitor | C1 | 470UF | 1 |
| 3 | Diode | D1 | 1N5819 | 1 |
| 4 | Button | SW1 | 6*6*5mm | 1 |
| 5 | Transistor | Q1 | D880 | 1 |
| 6 | Battery terminal | JK1 | KF301-2P | 1 |
| 7 | Transformer | T1 | 14*15*8 | 1 |
| 8 | PCB | -- | 18*71mm | 1 |
| 9 | Screw | Q1 | M3*5 | 1 |
| 10 | Nut | Q1 | M3 | 1 |
| 11 | Tie | T1 | 3*100mm | 1 |
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