| 摘要 |
A decoration lamp string device has a lamp type control device, a plug, and a lamp string. The lamp type control device has a bulb type main body, a lamp holder receiving the bulb type main body, and a socket receiving the lamp holder. An electric circuit is disposed in the bulb type main body. A plurality of lead-in wires are extended from an interior of the bulb type main body. A first electric wire is connected to the plug and the socket. A second electric wire is connected to the plug and the lamp string. The lamp string has a plurality of decoration lamps, a third electric wire, and a fourth electric wire. A first copper post is connected to the first lead-in wire. A second copper post is connected to the second lead-in wire. A third copper post is connected to the third lead-in wire.
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