The hAP ac lite can be powered from the power jack or with passive PoE from a PoE injector. The power adapter is included. Maximum load on the port is 500mA. Chains: Single-chain - 5ghz, Dual-chain - 2ghz.
Using this as a managed access point connected to a CAPsMAN controller. You simply cannot get better value for money than Mikrotik hardware. Gives over-priced "enterprise" networking brands a good run for their money. Leaves similarly-priced domestic-grade equipment in the dust.