| 摘要 |
A surveillance camera has a case, an optoelectronical module and an assistant light module. The optoelectronical module is mounted securely inside the case and has a camera lens and a contact pad module. The contact pad module is a printed circuit board that has at least two contact pads thereon and is mounted adjacent to the camera lens. The assistant light module is detachably mounted around the camera lens and has an assistant light unit. The assistant light unit is detachably mounted around the camera lens and has at least two contact members. Each contact members is disposed corresponding to one of the at least two contact pads and is electronically contacted to a corresponding contact pad when the assistant light unit is mounted in the case.
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