Feature: 1. Multi Uses: This kit can be used for electronic technology basics and skills teaching practice, electronic skills teaching, electronic technology teaching, digital circuit teaching, etc. 2. Package Included: The temperature alarm kit contains a complete set of components, such as circuit boards, circuit schematic, buzzer, LED and so on. 3. Quality PCB Circuit Board: Thermistor temp alarm sensor kit adopts high quality PCB circuit board, which is not easy to oxidize and has high performance. 4. Applicable People: This training kit is very suitable for electronics enthusiasts and beginners to practice, precise manufacturing technology, high reliability. 5. Size and Voltage: The supply voltage of the temperature buzzer module is DC 5V and the board size is approx. 5.8x3.7cm / 2.3x1.5in, compact size, easy to use. Specification: Item Type: Temperature Buzzer Kit Material: PCB Uses: Teaching practice of electronic technology foundation and skills, teaching of electronic skills, teaching of electronic technology, teaching of digital circuits, practice of electronic enthusiasts and beginners Board Size: Approx. 5.8x3.7cm / 2.3x1.5in Supply Voltage: DC 5V. Package List: 1 x Circuit Board9 x Resistance3 x Capacitance1 x Adjustable Resistance1 x Buzzer2 x Integrated Circuit1 x Terminal Block2 x IC Holder1 x LED1 x Circuit Schematic Note: This kit is not a finished product and needs to be soldered and installed by the customer!