{"type":"product","schema_version":"1.0","item_id":"100216440370","canonical_url":"https://tw.bid.yahoo.com/item/100216440370","title":"3V 激光頭激光二極管銅材半導體激光管6MM","subtitle":null,"condition":"全新品","currency":"TWD","observed_at":"2026-05-27T04:40:31.059Z","current_price":25,"original_price":"29.00","stock_status":"low_stock","available_quantity":10,"sold_quantity":7,"seller":{"id":"Y7873098776","name":"Y7873098776","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/fc430eb8-cf97-4f81-b658-c4e38c754f41.jpg","role":"main","alt":"商品主圖","width":null,"height":null}],"description":"3V激光頭激光二極管點狀銅材半導體激光管6MM外徑\n\n 波長：650NM 功率： 5MW 外徑：6MM\n\n1:要注意激光器電池的安全，防止他人拆卸電功池引起短路燃燒或電池爆炸事故。\n2:激光的發射原理及產生過程的特殊性決定了激光具有普通光所不具有的特點：即三好（單色性好、相干性好、方向性好）一高（亮度高）。\n\n3:主要用於激光類玩具，各種水平儀，地線儀等\n製作電子教鞭筆：老師講課時，用激光投射點提請學生觀查思考。\n\n電子水平尺：讓電機帶動光頭轉動或者扭動，投射成直線在牆壁上，供裝修或者張貼年畫時做水平參考。\n\n微型液晶投影：拆除聚光鏡，讓激光透過可控制的液晶屏，可以在牆壁產生清晰的投影。\n\n遠距激光監聽器：讓激光照射在被偷聽的房間玻璃上，然後接收玻璃反射回的激光束，檢測出玻璃的振動還原出房間地聲音。\n\n遠距光控防盜報警器：在需要保護的魚塘或者西瓜田的一角裝上激光發射管和光敏電阻，在另外三個角裝上反面鏡，就形成了防護區。\n\n遠距激光無線通信：運用一對激光收發裝置分別在兩間較遠的房頂互相對著，運用單片機的串行通信協議就可以收發文件，甚至聯網。\n\n本激光頭由發光管芯、聚光透鏡、銅可調套筒三部分組成，發給用戶時，這三部分已經組裝好，透鏡焦距也調整好，並且已經用強力膠水粘\n\n好，用戶接上3V直流電源即可工作。\n\n特別注意不要對著人的眼睛。","shipping_methods":[{"name":"7-ELEVEN取貨付款","fee":0,"currency":"TWD"},{"name":"郵局掛號","fee":0,"currency":"TWD"},{"name":"萊爾富取貨付款","fee":0,"currency":"TWD"}],"lowest_shipping_fee":null,"payment_methods":["ATM轉帳","萊爾富取貨付款","7-ELEVEN取貨付款"],"category_id":"2092080625","category_name":"其他五金工具","breadcrumb":[{"id":"24198","name":"居家、家具與園藝","url":"/tw/%E5%B1%85%E5%AE%B6%E3%80%81%E5%AE%B6%E5%85%B7%E8%88%87%E5%9C%92%E8%97%9D-24198-category.html"},{"id":"24642","name":"五金/照明工具","url":"/tw/%E4%BA%94%E9%87%91-%E7%85%A7%E6%98%8E%E5%B7%A5%E5%85%B7-24642-category.html"},{"id":"2092080625","name":"其他五金工具","url":"/tw/%E5%85%B6%E4%BB%96%E4%BA%94%E9%87%91%E5%B7%A5%E5%85%B7-2092080625-category.html"}],"view_count":0,"watch_count":2}