Type:?Electrical Plug ( DC Jack PCB Mount Connector ) | Size:?5.5mm X 2.1mm | Pins: 3 Pin Soldering Terminal | Applications: Widely suitalbe for small appliances products, auto parts, audio accessories, such as: Media Player, MP3/MP4 player, Audio-Video Equipment, AV Equipment, Note Book, Mobile Phone, Smart Phone, Car Audio, and so on. | Package: 10pcs Female DC Power Jack Panel Mount with Hex Nut

Type: Motherboard Internal Code Beep Buzzer Mini Speaker | Cable: Red + Black color, Approx. 6cm Length. | Mainboard Connector Type: 2.54 pitch 4 Pin female header, plugs right into your motherboard where the speaker hooks up. | Function: These are the speakers used to obtain beep codes from motherboards,alarm systems and other electronics. Keep your computer case internal cable tidy. | Package Included: 2pcs Mini Plug Speaker For PC Computer Motherboard Case Buzzer Board Beep Alarm

Type: 5pcs KSD301 40 degrees Celsius Thermal Control Switch 250V 10A NC (Normal Close) | Normally Closed: The original state of temperature control switch contact is closed, and open when the temperature sensing exceeds the rated temperature. | Advantage: Double metal chip, contact sensor, speed dynamic type, sensitive, reliable, safe, stable action temperature, long service life, no arc phenomenon. | Function: It is closed until the temperature reaches 40 Celsius degree, then the switch opens. Widely used for temperature control or protection for household electric appliances. | Application: Mainly used for motor electric heating water dispenser, water bottles, disinfection cabinet, coffee shell, electric iron, dryer, air conditioning, water heater, electronic cooker, heater, disinfection cupboard and motor cleaner etc.