Microprocessor Control (CPU). 7-STAGE AUTOMATIC CHARGING:This is a fully automatic battery charger with 7 charge . Automatic charging protects your battery from being overcharged. So you can leave the charger connected to the battery indefinitely. 7-stage chargers are suitable for most battery types including Calcium, Gel , LiFePo4, Wet, lead Acid batteries. They may also help restore drained and sulphated batteries. Plug Type: US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the , the Philippines and so on. Switchmode technology: Yes Polarity protection: Yes Output short protection: Yes Non battery link protection: Yes Over voltage protection: Yes Over temperature protection: Yes Cooling: Fan Input voltage: 100-240V AC, 50-60Hz Rated output: 12V 12A , 24V 6A Minimum start voltage: 8.0V Battery range: 6-200Ah Thermal protect: 65'C+/-5'C Efficiency: App. 85%. Compliant standards: , IEC60335, EN61000, EN55014 Colour:Red+black Material: ABS Package Contents: 1 x Automotive Battery Charger 1 x English manual Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.