Up for sale is an Enphase XAM1-120-B (880-00834) AC Combiner Box. This is unused, but the manufacturer's box has signs of damage and writing with a black magic marker. 

It is: 

Smart • Includes Envoy-S for communication and control • Flexible networking supports Wi-Fi, Ethernet, or cellular 

Simple • Three pre-installed 20 A / 240 VAC circuit breakers • Pre-configured revenue-grade metering available 

Reliable • Durable NRTL-certified NEMA type 3R enclosure