Features: This is a DC-DC boost conversion module, working frequency is 1 MHz. The maximum conversion efficiency is 96% (74% -94% under different working conditions). The static working current is 0.19mA It has over current protection (OCP), over-voltage protection (OVP), short circuit protection (SCP), over-temperature protection (OTP) functions. Application: WIFI router, for Ethernet device, IP camera, PTZ, LED lights, light beads, toy cars, unmanned aircraft. Specification: Material: Plastic Weight: 2g/0.1oz Input Voltage: DC 2.6 ~ 6V Output Voltage: DC 123% Maximum output : 12V/1.2A (See the table below for details) Measurement results are for reference only. Input Voltage Input Current Output Voltage Output Current 2.6V 1.44A 12V 0.25A 3V 1.84A 12V 0.38A 3.3V 2.1A 12V 0.47A 3.7V 2.5A 12V 0.63A 4.5V 3A 12V 0.96A 5V 3.5A 12V 1.2A Recommended power supply: 18650 battery, cell phone battery, and other 3.7V lithium battery; Mobile power supply, cell phone charger, and other 5 V power supply equipment. Package List: 1 x Voltage Converter Module 1Set x Accessories Note: This is a DC-DC voltage converter, it should be noted when using: 1. Input voltage can not be greater than the maximum input range; 2. Output power can not be greater than the maximum load for a long time; 3. Input power must be greater than the output power, because the power consumption of the module itself.