Specification Model SR 01Supply Voltage 5VRefrigeration Sheet Size 23 23 mmHeat Sink Size 40 40 mmOverall Size 40 48 30 mmSupply Current 2A and aboveWeight 55gFeatures 1 Efficient cooling solution designed for mobile devices and other applications 2 User friendly assembly allowing easy DIY customization 3 Compatible with power banks or 5V 2A adapters for power supply 4 Adjustable fan speed via voltage control 5 Effective temperature reduction for small scale applications 6 Functional freezing capability on standard indoor surfaces Package Includes 1 x DIY Electronic Kit