1、DC to DC: Input any DC voltage from 0.9V to 5V, it can output 5V DC voltage stably, and the maximum output current is 600mA. 2、Wide Applications: A wide range of applications, can power your mobile phones, cameras, microcontrollers and digital products. 3、High Conversion Efficiency: These boost modules have high conversion efficiency, up to 96%, with USB sockets and working indicator lights. 4、Small Size: Small size, easy to carry, can be carried around, can be installed in various small equipment. 5、Regulated Power Supply: When your power supply is very unstable, sometimes high and sometimes low, this module can stabilize the power supply. 10 x Boost Modules Item Type: Boost ModuleMaterial: PCBPurpose: DIY Mobile PowerInput Voltage: DC 0.9V to 5VOutput Voltage: DC 5VMaximum Output Current: 600mAWorking Environment Temperature: -40℃ to +85℃PCB Board Size: Approx. 25mm / 1.0in, Approx. 18mm / 0.7in