1. Oscillation control Knob 2. Multi-angle tilting 3. AC/DC auto changeover 4. With a handle 5. 4 pcs LED light 6. Over-charge and over-discharge protection Battery: 6 V 4.5Ah Ctype lead-acid battery Duration Time: 45 hour/LED Fan: 3 hours/high 5 hours/low Charge Time: 12-15hours