Colour: Black Material: plastic + metal Power Input Voltage: 160~250 VAC Frequency: 20~100Hz Contact Capacity: 0.5A @ 120 VAC Usage: battery charger Battery Charge Range: 4A Features: 1. Multi-stage charging, constant voltage, constant current, trickle float charge, full stop, battery life extension 805. 2. LED charging status display, red is the charging indicator, green is the power indicator. 3. Perfect anti-short circuit and reverse connection protection. When the battery capacity is large and the load is short circuit, the current output is still a constant current without damage. 4. Over-temperature protection function, when the temperature inside the machine is too high, it will automatically protect and resume work after the temperature drops to ensure the safety of the charger and battery. package include: 4 x Generator float charger