Features: 100% Brand new and high quality Unsoldered This is an Electronic DIY Kit that uses the NE555, some welding experience is required All necessary electronic parts are provided, please see the pictures for more details The image is for illustration purposes only Specifications: Chip Model Number : NE555 Operating Voltage: DC 4-7V Speaker: 8 OHMs 0.25W PCB Board Size: 28x24mm/1.1x0.94" Quantity: 1 Set Note: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! No Retail Package Package Contents: 1 x PCB Board 1 x Speaker 2 x 100mm RED Line 2 x 100mm Black Line 1 x NE555 Chip 1 x 8 Pin IC 1 x 100UF 25V Capacitor 1 x 10UF 25V Capacitor 1 x 6x6x5 Button Switch 3 x 103 Ceramic Capacitor 5 x 47KR Metal Film Resistor 2 x IN4148