Specifications: Model: 12V/1.2A Dimensions: 3.8 x 1.9 x 2.2 inches Output Voltage Rating: 12-14.8V Input Voltage Rating: 110-240V Recommended Battery Capacity: 12V / 7-10Ah Input Frequency: 50-60HZ Maximum Output Power: 15W Ripple: ≤120mV Efficiency (at 100% load): ≥85% Current Limit: 1.2A Leakage Current: ≤0.25mA Working Temperature: 50°F - 122°F Working Humidity: 5% - 95% 6V/12V Selectable Output-This device is 4 stages smart battery charger by microprocessor controlled with switch mode for 6V and 12V is selectable output. It is ideal for charging your CAR, MOTORCYCLE AND RIDE-ON TOY batteries, and great for agm gel vrla sla wet cell and all Lead Acid Batteries. 2 DC Connector-Two kinds of battery clamps, including battery clamps, battery rings for a more secure connection to battery terminals, can choose battery clamps which suit your equipment. Easy charging-The battery clamps make it exceptionally easy to charge your car's battery overnight. Automatic charging/ maintaining-The device is fully automatic to identify the level of charge on any type of battery and maintain a level of maximum charge and it's high frequency charging technology. Long lasting-The charger is built to last, with a fully sealed outer case, protecting it from dust, oil, and moisture, to prevent corrosion or other damaging effects of weather exposure.