Features: 1. Adopted of high quality electronic components, and precision process, ensure for the durability 2. Stable performance and high efficiency conversion rate. 3. Small body and it can provide excellent performance 4. Available in two styles for your choice 5. Applied to CCTV camera, battery charger and pre-Regulator for linear regulators Specification: Condition: 100% Brand New 3.3V: Input voltage: 5-40V, output: 3.3V Maximum output current: 1A Working frequency: 550KHz Efficiency: 76-90% . Quiescent Current: about 1.5MA 5V: Input voltage: 6.5-40V, output: 5V Maximum output current: 1A Working frequency: 550KHz Efficiency: 76-90% . Quiescent Current: about 1.5MA Optional Style: 6.5V~40V to 3.3V, 6.5V~40V to 5V Weigh: Approx. 2g / 0.1oz Package List: 1 * DC-DC Converter Module Note: 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 1、Adopted of high quality electronic components, and precision process, ensure for the durability 2、Stable performance and high efficiency conversion rate. 3、Small body and it can provide excellent performance 4、Available in two styles for your choice 5、Applied to CCTV camera, battery charger and pre-Regulator for linear regulators