Item Name: Quality Top Electronic Accessories Timing Precision DIP-8 IC Timers Alarm Clock. Supply Voltage - Min: 4.5 V Maximum Operating Temperature:+ 70 C Series:NE555PNumber of Internal Timers:1 Mounting Style:Through Hole Package / Case:PDIP-8 Type:Standard Minimum Operating Temperature:0 C Packaging:Tube Supply Voltage - Max: 16 V Packaging Details:Unit Type: lot (20 pieces/lot)Package Weight: 0.2kg (0.44lb.) *Please make