Type 1-- 6-way temperature control relay output
Type 2-- 6 temperature control solid state output
Type 3-- 6-channel temperature control relay output + RS485 communication
Type 4-- 6-channel temperature control solid state output + R5485 communication
Type 5--  6-channel temperature control relay output + RS485 communication+LAN function
Type 6-6-channel temperature control relay output + RS485 communication+4G IoT function