Item Type: Boost Converter Output Voltage: 5V Output Current: Maximum. 480mA Operating Frequency: 150KHZ Conversion Efficiency: 85% Pin spacing: Approx. 2.54mm / 0.1in Size: Approx. 11 x 10 x 7.5mm / 0.43 x 0.39 x 0.3in 1Volt Converter: This voltage step up module supports converting DC 1.5V 1.8V 2.5V 3V 3.3V 3.7V 4.2V to DC 5V, very simple. 2Efficient Work: The working frequency is 150KHz, and 85% high conversion efficiency also ensures stable work performance. 3Stable Working: Designed to have 0.9?5V input volt as well as 480mA maximum output current, has great reliability for use. 4Reliable Using: Made of high quality circuit board, not easy to malfunction, and has excellent durability for long using. 5Easy to Install: Comes with a light weight and a compact size, the convenient installation can be quickly completed.The input voltage cannot be greater than the nominal voltage, otherwise the module will be burned; the input power must be greater than the output power, otherwise the output voltage will be less than the nominal voltage.1 x Boost Converter