Package Dimensions:15.6 x 13.1 x 1.3 cm; 5 Grams Wattage:4 watts Are Batteries Included:No Item Weight:5 g Guaranteed software updates until:unknown Description:It is a AC-DC step-down module.It is suitable for control board and single-chip board power supply system,very stable and reliable.Feature: 1. It with an output indicator. 2. High performance,stable and reliable. 3. Multiple modules of the same voltage can be used in parallel. 4. Support AC and DC input,wide voltage input. 5. It has overvoltage,overcurrent,overtemperature,overpower,and short circuit protection.Parameter: Product Name: AC-DC Step-Down Module Input Voltage Range: AC 50V~277V/DC70V~390V No-load Power: 0.05W(Max) Full Load Power: 4W(Max) Output Voltage: 4.85V~5.15V Output Current: 0mA~700mA(enter constant current working mode at full load) Test Resistance: 7 ohms (4.9V) Output Indicator: green light Output Power: 3.5W(efficiency:80%) Output Protection: over voltage,over current,over temperature,over power,short circuit protection,etc. Work Temperature: -25~85 Work Humidity: 5%~95%RH Size: 23.5*18*15mmPackage list : 1pcs x AC-DC Step-Down Module It Is A AC-DC Step-down Module.It Is Suitable For Control Board and Single-chip Board Power Supply System,very Stable and Reliable. High Performance,stable and Reliable. It With An Output Indicator. Multiple Modules of the same Voltage Can Be Used in Parallel.Support AC and DC Input,wide Voltage Input. It Has Overvoltage,overcurrent,overtemperature,overpower,and Short Circuit Protection. Input Voltage Range:AC 50V~277V/DC70V~390V, Output Voltage:4.85V~5.15V, Output Current:0mA~700mA(enter Constant Current Working Mode At Full Load) Output Protection:over Voltage,over Current,over Temperature,over Power,short Circuit Protection,etc. SHOP WITH CONFIDENCE: To Provide You With the Highest Quality Service, If You Have Any Question, Please Feel Free to Contact Us.We Will Provide After-sales Service Until You Are Satisfied. See more product details It Is A AC-DC Step-down Module.It Is Suitable For Control Board and Single-chip Board Power Supply System,very Stable and Reliable. High Performance,stable and Reliable. It With An Output Indicator. Multiple Modules of the same Voltage Can Be Used in Parallel.Support AC and DC Input,wide Voltage Input. It Has Overvoltage,overcurrent,overtemperature,overpower,and Short Circuit Protection. Input Voltage Range:AC 50V~277V/DC70V~390V, Output Voltage:4.85V~5.15V, Output Current:0mA~700mA(enter Constant Current Working Mode At Full Load) Output Protection:over Voltage,over Current,over Temperature,over Power,short Circuit Protection,etc. SHOP WITH CONFIDENCE: To Provide You With the Highest Quality Service, If You Have Any Question, Please Feel Free to Contact Us.We Will Provide After-sales Service Until You Are Satisfied.