Features: Equipped with lightning protection air discharge tube (AC-L5A) or varistor(AC-H5A), which has lightning protection function, making work safer. Equipped with surge current NTC, effectively inhibiting surge current of circuit, making work more stable. Equipped with a fuse, it has short circuit protection function. The module supports power supply indicator function. AC-L5A uses 4700UF 50V capacitor as main capacitor, convenient to use. Specifications: Model(Optional) AC-L5A AC-H5A Input AC Voltage 5-34 36-220V Output DC Voltage 7-50V 50-220V Output Current 5A 5A Size 5*5*4cm/2*2*1.6in Weight 52g(approx.) Package Includes: 1 x Rectifier Board 1、Equipped with lightning protection air discharge tube (AC-L5A) or varistor(AC-H5A), which has lightning protection function, making work safer. 2、Equipped with surge current NTC, effectively inhibiting surge current of circuit, making work more stable. 3、Equipped with a fuse, it has short circuit protection function. 4、The module supports power supply indicator function. 5、AC-L5A uses 4700UF 50V capacitor as main capacitor, convenient to use.