中文：5521 防水 DC 公母对接线 螺纹锁紧 DC 防水插头连接线
English: 5521 Waterproof DC Male Female Cable, Thread Lock DC Waterproof Connector Wire
产品描述（中英双语）
中文：5.52.1mm DC 防水公母对接线束，采用螺纹旋紧结构搭配橡胶密封圈，有效防尘防水。插头牢固不易松脱，线缆柔韧耐弯折，适合监控设备、太阳能灯具、户外灯带、直流户外电器供电连接，线长、线径均可按需定制，也可选择 5525 规格。
English: 5.52.1mm waterproof DC male & female extension cable. Adopts thread locking design with rubber sealing ring for dustproof & waterproof performance. Stable connection, flexible and bend-resistant wire. Widely used for CCTV camera, solar light, outdoor LED strip and outdoor DC equipment. Custom length & wire gauge, 5525 type optional.
FAQ 中英双语
Q1：DC 插头常规规格有哪些？
A1：标准 5.52.1mm，支持定制 5.52.5mm。
Q1: What standard DC plug sizes available?
A1: Standard 5.52.1mm, 5.52.5mm for customization.
Q2：防水等级能达到多少？
A2：装配到位可达 IP65，适合户外干燥淋雨环境。
Q2: What waterproof rating?
A2: IP65 when fully tightened, fit for outdoor rainy environment.
Q3：线材长度是否支持定做？
A3：支持任意长度，线规、线缆颜色均可调整。
Q3: Can cable length be customized?
A3: Any length supported, wire gauge and wire color adjustable.
Q4：适用哪些设备？
A4：太阳能路灯、监控摄像头、户外 LED 灯带、户外直流小家电。
Q4: What devices can it be used for?
A4: Solar lamps, CCTV cameras, outdoor LED strips, outdoor DC electrical appliances.
Q5：可以先提供样品测试吗？
A5：支持样品订购，大批量订单交期可协商。
Q5: Can samples be offered for testing?
A5: Samples available, bulk order lead time negotiable.
