XINGYHENG 2Pcs 8 Channel Relay Module With the light coupling 12V Relay Expansion Plate Load Controlled Relay Switch Module Supports AVR 51 PIC Relay Control Module auspowers_batchfour These are:durable (thanks to premium sold2024 These are:durable (thanks to premium brass construction)resistant to corrosionsoliddo not leakhave a better thermal conductivity and a low magnetic permeabilitydon’t deform with timeprovide tight sealing thanks to the relative softness of brassare easily installed or changed (thanks to the hexagonal head that increases the bearing surface when a wrench is applied to the fitting)WHERE TO APPLY [4 In 1 Universal Car Phone Holder]Over 15 years relay output contacts up to 250A 10A safe and reliable Standard interface for expansion on various development boards Fixed screw holes for easy installation Suitable for various platforms such as 51 AVR AVR ARM Module description: 1