1)aquarium controller design and manufacture as per customers requirements,ROHS 2)it can handle a variety of sensor signals aquarium controller(PCBA) specification:1)aquarium controller parameter:board material: FR-4Surface finish, HAL lead free The othere surface finish we could do are; Gold finger, OSP, ENIG, HAL, Gold plating, Chemical silver, etcinput power/output power: 220v/110v/100v, can ...