Color: As shown in the First image. Quantity and size : As shown in the title or description. Battery Charger, Mppt Solar Charge Controller Module Feature: 1 Battery Charger For Solar Powered System 2 Power Supply Voltage DC 4.4-6V, Charging Output Voltage DC 4.2V 3 Maximum Charging Current/output Current is 1A, but You Can Change the Current by Changing the Value of the R1 Resistor 4 Automatically Adjust the Charging Current According to the Output Capacity of the Input Power Supply 5 Precharge Adjustment For Restoring Deep Discharge Batteries and Minimize Heat Dissipation at the Initial Charging Stage 6 Constant Current/constant Voltage Operation with Thermal Regulation Maximizes Charging Rate Without Overheating 7 Automatic Low Power Sleep Mode when the Input Power Voltage is Removed 8 C/10 Charge Termination 9 Automatic Recharge 10 Battery Overvoltage Features:: Item Type: Battery Solar Charge Module LED Indicator: ''CR'' LED is Charge Status Indicator;''OK'' LED is Charged OR Constant Voltage Mode Dimension: 18x10.16x2.7mm Options: with Pin, Without Pin Weight: 0.9g(with Pin), 0.6g(without Pin) Package Includes: 1 X Solar Charge Module