ITEM NAME:10Pcs SMD NE555 555 Timer IC Module SOP8 Integrated Circuit Chips Kits 4.5-16V Description: - Low Turn Off Time - Maximum Operating Frequency - Greater than 500kHz - Timing From Microseconds To Hours - Operates In Both Astable and Monostable Modes - Adjustable Duty Cycle - TTL Compatible Temperature Stability of 0.005% Per  °C - Model: NE555 - Type: SOP8 - Voltage Supply: 4.5-16V - High Output Current can Source or Sink 225mA - Size(LxW): Approx. 0.24 x 0.2inch / 6 x 5mm - Pin Number: 8 Package Included: 10pcs NE555 SOP8 Timer Kits.Model: NE555. - Type: SOP8. Cell Phones & Accessoris. Car & Truck Parts. People always bought together with. Electrical & Solar. - TTL Compatible Temperature Stability of 0.005% Per  °C. - Adjustable Duty Cycle.