Part number:Health Geary2n5t9i7dv Item Weight:5 g Product Dimensions:8 x 6 x 1 cm; 5 Grams Power source type:Corded Electric Item Package Quantity:1 Specification met:CE Special Features:Fast Charging Batteries included?:No Batteries Required?:No Features:100% brand new and high qualityUSB interface Multifunction DC/DC 5V to 3.3V Buck ModuleInput DC 4.5-7V(USB input OR 2.54 Pin input)Output: 3.3 V,800 mA (load current can't more than 800 mA)3 functions : USB to 3.3V;USB to 5V(5V to 5V);5V to 3.3VApplication: for raspberry pi/banana pi/esp8266, for MEGA2560 DUE, for AVR Atmel PIC STM32 C8051 MSP430 Zigbee CC2530, Wireless module : Nrf24l01 Nrf24lE1 CC1101 CC2500 SI4432 SI4463, for FPGA/CPLD:Altera EPM240/EPM570/EP4CE6; Xilinx XC2C64A,Wireless communication equipment Specification:Model:CE009Type:Step-Down ModuleWeight: Approx.5g/0.2ozPackage list:1 x Step-Down Module About this item [Step Down Module]: This is a 5V to 3.3V DC power converter buck module [Specification]:Input DC 4.5-7V (USB input or 2.54 Pin input); Output 3.3V, 800mA (load current can't be higher 800 mA) [USB Interface]: With USB output port, this usb step-down power module can be used to charge phone, supports fast charging [Versatile Purpose]:USB to 3.3V;USB to 5V(5V to 5V);5V to 3.3V USB interface voltage converter [Widely Application]: This dc voltage regulator is widely used for DIY adjustable regulated power supply, DIY power transformers, industrial equipment, 5V output, etc [Step Down Module]: This is a 5V to 3.3V DC power converter buck module [Specification]:Input DC 4.5-7V (USB input or 2.54 Pin input); Output 3.3V, 800mA (load current can't be higher 800 mA) [USB Interface]: With USB output port, this usb step-down power module can be used to charge phone, supports fast charging [Versatile Purpose]:USB to 3.3V;USB to 5V(5V to 5V);5V to 3.3V USB interface voltage converter [Widely Application]: This dc voltage regulator is widely used for DIY adjustable regulated power supply, DIY power transformers, industrial equipment, 5V output, etc