| 類型 | 鐳射激光水平儀 | 品牌 | OEM |
| 型號 | JT-557 | 激光波長 | 650（nm） |
| 電源 | 2X1.5AAA | 外形尺寸 | 12*4*6CM |
內有20個大力鉤(數量可由客戶自定)和一臺激光水平儀.
1.Grip hook using your thumb and forefinger.Firmly push pointed end into desired spot on wall.
2.Gently turn hook from side to side untill it penetrates wall.
3.Push all the way in until only hook on the end protrodes.
