Sunforce is committed to provides customers the best environmentally responsible products and best service with their innovative renewable energy technology. The Sunforce 60012 charge controller is for use with 12 volt solar panels and batteries to protect against overcharge and discharge. Two lights, one light for charging and one green light for full charging, provide convenient and direct view of battery status. Type: Solar Charger / Battery Dimensions: 7.63" x 4.63" x 2.25" Weight: 0.35 lbs. Features: Protect Battery from Overcharge and Discharge For Use with 12 Volt Solar Panels and Batteries Only Handles up to 7 Amps of Array Current Handles up to 100 Watts of Solar Power Maintenance Free Protection of Your Solar Panel and Batteries Maintains Battery Voltage Maintain 12V Batteries in a Fully Charged State Charging Light Indicates Battery Charging Green Light Indicates Full Battery Labor: 1 year limited Parts: 1 year limited