Unit in good working condition, equipped with Channels A & B and option 003: C channel.
From Agilent website:
The Agilent 5315A is a low-cost portable bench version of the 5316B high-performance universal counter. Unique counting circuitry gives the best of both reciprocal and conventional frequency counting. Full frequency range (to 100 MHz) on both input channels provides frequency, period, ratio A/B, and totalize A by B measurements.
The 5315A is suited for maintaining and calibrating all types of electronic equipment in the field. Its tough, lightweight polycarbonate case and optional battery pack make it convenient to use anywhere.