It's a NE555 Precision Timers IC. This is 8 pins integrated circuit of timer IC which is used to generate clock signals for various applications. These devices are precision timing circuits capable of producing accurate time delays or oscillation

Specifications :

• Product - NE555 Timer IC
• Operating Voltage - 5 - 15V DC
• Current - 200mA
• Type - Through Hole
• No. Pins - 8
• Package Type - DIP

Features :

• Timing from Microseconds to Hours
• Astable or Monostable Operation
• These devices are precision timing circuits capable of producing accurate time delays or oscillation
• Delay Timing from microseconds to hours
• Adjustable duty cyclist-compatible output can sink or source up to 200 ma
• Astable or Monostable operation 
• Adjustable Duty Cycle

Package Include :

1 x NE555 Timer IC