Feature: 1. Multiple categories of electronic components, high accuracy, good stability, time‑saving and labor‑saving 2. Widely used in circuit boards, electronic laboratories, etc., suitable for diy enthusiasts 3. High‑quality materials, durable. Comes with a storage box, small in size, easy to carry 4. Moderate brightness, diverse colors, beautiful, high efficiency and energy saving, long service life 5. Widely used in circuits, DIY LED projects, school science experiments, car decoration, signal indicators, electronic and electrical experiments, etc Specification: Item Type: LED Diode Package Material: Alloy, Brass Model: 1390Pcs Category: 300 Ceramic Capacitors: 10Pcs x 2P/ 3P /5P /10P /15P/ 22P /30P /33P /47P /75P/68P /82P 101(100P) /151(150P)/ 221(220PF) /331(330PF) /470(470PF) /681(680PF)/ 102(1NF) /150(1.5NF) /222(2.2NF) /332(3.3NF) /472(4.7NF) /682(6.8NF) /103(10NF)/ 153( 15NF) /223(22NF) /473(47NF) /683(68NF) /104( 100NF) 120 Electrolytic Capacitors: 10Pcs x 50v0.22uf/50v 0.47uf/50v 1uf/50v 2.2uf/50v 4.7uf/50v10uf/50v 22uf/50v 33uf/16v 47uf/16v 100uf/16v 220uf/16v 470uf 600 1/4W 1% Metal Film Resistor Packs:20Pcs x 10Ω /22Ω /47Ω/100Ω/150Ω /200Ω/ 220Ω /270Ω /330Ω/470Ω /510Ω/680Ω / 1KΩ /2KΩ /3.3KΩ /4.7KΩ/5.1KΩ/ 6.8KΩ/10KΩ /20KΩ/47KΩ/51KΩ/68KΩ/100KΩ /220KΩ /300KΩ/470KΩ /680KΩ /1MΩ 100 Approx.3mm/0.1in LED Lights: 20Pcs x Red/Yellow/Blue/Green/White 100 Diodes: 25PCS x 1N4148 25PCS x1N4007 10PCS x 1N5819 10PCS x 1N5399 10PCS x FR107 5PCS x 1N5822 5PCS x 1N5408 10PCS x FR207 170 Transistors: 10Pcs x S9012/S9013/S9014/S9015/S9018/A1015/C1815/A42 A92/2N5401/2N5551/A733/C945/S8050/S8550/2N3906/2N3904 . Package List: 300 x Ceramic Capacitor120 x Electrolytic Capacitor600 x Metal Film Resistor100 x LED Light100 x Diode170 x Transistor Note: Please power off before installation