{"product_id":"automatic-electric-bell-220v-school-or-factory-bell-controller-ring-timer-2-3-4-6-inch-alarm-bell-apartment-call-doorbell","title":"自动电铃220v学校或工厂响铃控制器响铃定时器2\/3\/4\/6英寸报警器公寓门铃","description":"\u003ch1\u003e规格\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003e品牌名称\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNoEnName_Null\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003e产地\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e中国大陆\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003e高度关注的化学品\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e无\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003e门铃类型\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e有线\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003e型号\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eUC4\/KG1032T\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003e类型\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e门铃\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003e电源\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e交流电\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003e工作电压:\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e交流 220V\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003e铃直径:\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e55-150mm\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003e材质:\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e不锈钢\u003c\/span\u003e\u003c\/p\u003e\u003ch2\u003e\u003cspan style=\"color:rgb(244, 78, 59)\"\u003e\u003cstrong\u003e关于电铃：\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\u003cp\u003e\u003cspan style=\"font-size:16px\"\u003e电铃为内部敲击式，无火花。\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size:16px\"\u003e1. 适用于工厂、学校、铁路和室内公共场所的声音信号和警报。\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size:16px\"\u003e2. 不锈钢材质，防锈性能更好，使用寿命长。\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size:16px\"\u003e3. 内部双线圈，经久耐用，性能稳定。\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size:16px\"\u003e4. 盖子上有三个圆孔，便于将铃安装在墙上。\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size:16px\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size:16px\"\u003e\u003cstrong\u003e工作电压：\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size:16px\"\u003e交流 220V (±10% )\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size:16px\"\u003e\u003cstrong\u003e铃直径：\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size:16px\"\u003e①55mm(2英寸) ②75mm(3英寸) ③100mm(4英寸) ④150mm(6英寸)\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size:16px\"\u003e\u003cstrong\u003e材质：\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size:16px\"\u003e不锈钢\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size:16px\"\u003e\u003cstrong\u003e温度：\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size:16px\"\u003e-40℃ ~ +40℃\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003e\u003cspan style=\"color:rgb(244, 78, 59)\"\u003e\u003cstrong\u003e关于铃控制器（响铃计时器）：\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\u003cp\u003e\u003cspan style=\"font-size:16px\"\u003e1、可直接控制电铃（25A阻性）\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size:16px\"\u003e2、日走时误差和铃误差小于0.5秒\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size:16px\"\u003e3、可设置每天响铃28次\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size:16px\"\u003e4、液晶显示，易于安装\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size:16px\"\u003e5、响铃时间可设置为天或周循环\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size:16px\"\u003e6、响铃延迟时间1秒至59秒可调\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size:16px\"\u003e7、响铃间隔1分钟~168小时可调\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size:16px\"\u003e8、带手动响铃功能\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S75b60e51a57145cca2f24eeaf0f5e058T.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S0f7915790d8a43f384b705e6f1532c22d.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S3c94336aaead4dc9a141ee25122199cdQ.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S02ed42e551e84b03bd7ef088fb1d30bbC.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S4d1b7b5713e24c35a3b3561213a1ddfaO.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S1fe5134ec2e145ebab0099045d54c6fcQ.jpg\" slate-data-type=\"image\"\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"East Supplier Platform","offers":[{"title":"55mm Bell","offer_id":46407184580831,"sku":"1005004652798034-55mm Bell","price":6.22,"currency_code":"USD","in_stock":true},{"title":"55mm Bell Kit","offer_id":46407184613599,"sku":"1005004652798034-55mm Bell Kit","price":27.46,"currency_code":"USD","in_stock":true},{"title":"75mm 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