[IONMAX 24-VOLT SYSTEM]: — Includes 2.0 Ah lithium-ion battery + charger [LONG RUNTIME]: Sun Joe provides up to 4 hours and 30 minutes of rechargeable runtime to stay fresh — anywhere water or power is at a premium. [ADJUSTABLE SPEED]: 3 position fan speed: 8.2 ft/s - 25 ft/s [ROTATEABLE HEAD]: Adjust the spray angle with the 70° fan rotation + 160° pivoting head, and cool down up to 60 sq ft! [WATER SOURCES]: Connects to multiple water sources: portable bucket, fresh water source, garden hose, or faucet