The solar controller have delicate appearance, lightweight, convenient to install and remove. Backlight LCD display, clear figures, scratch proof. Aluminium alloy case, high strength, anti-aging. Built-in fan, improve heat dissipation. 10 terminals more convenient parallel machine. Support various types of cell, safe, quick and efficient, is your very nice life small assistant.Features: Built-in fan, intelligent improve heat dissipation, protect the interior of the machine from high temperature damage. Superior aluminium alloy cover, high ignition point, high strength, impact resistance, aging resistance, corrosion resistance. Temperature, short circuit, reverse connection, input anti-backflow, temperature rise, input overvoltage, undervoltage protection. Considering the larger diameter of the wire and the consume speed, each pos and negs on solar and cells connectors have two connectors.Specifications: Model: HHJ-60A Screen Type: LCD Color: White Voltage Specifications: 12/24/36/48V Cover Material: Aluminium Alloy Charge Mode: MPPT Automatic Maximum Impetus Point Tracking Charge Way: MPPT, Constant Voltage, Floating Charge Dynamic Response Recovery Time: 100us Overall Efficiency: ≥98.1% Photovoltaic Module Utilization: ≥99% Max PV Voltage: 150V Item Weight: 1130g / 39.86ounces Package Weight: 1330g / 46.91ounces Item Size: 215 * 115 * 50mm / 8.46 * 4.53 * 1.97in Package Size: 260 * 200 * 70mm / 10.24 * 7.87 * 2.76inPackage List: 1 * Solar Controller 1 * Instruction Book In English 1 * Fixed Parts Package