Three packages 1@ 556 Dual Timer RadioShack item 276-1726. Equivalent to two (2) 665 ICs in one package. Each section independent except for V and ground. Wide supply voltage range of 4.5 to 16VDC. Timing from microseconds through hours. Supply voltage: 16VDC. Power Dissipation: 600mW at 25 Degrees C. These are new in the package items.
