Features: AMS1117-3.3 Power Module with Small Size 8.6x12.33mm Input DC4.5V-7V (input voltages needed more than 1Volt higher than output voltages) Output: 3.3V/5V, 800mA Load voltages and current must not exceed 800mA. 1.2V low voltages difference, input only 1.2V higher than the output can work normally with power indicator light Widely used for electronics projects, educational for powering low voltages devices efficiently Specifications: Model: AMS1117 Power Module Optional：3.3V/5V Input DC4.5V-7V (input voltages needed more than 1Volt higher than output voltages) Output: 3.3V/5V, 800mA Load voltages and current must not exceed 800mA. Module size: about 8.6x12.33mm/0.34x0.48in Package Includes: 1PC AMS1117 3.3V/5V Power Module note: Due to problem of lighting effect, there is certain tolerances in product, please understand. Please allow 0-1cm error due to measurement.