KNX Secure Universal Interface with NTC Input, 4-Fold can be used to connect 4/8 fold of dry contact inputs,default equipped with 4-Fold LED output, and 2-Fold NTC input to realize temperature detection and high/low temperature warning function. Each dry contact input detection support the functions of switch, dimming, value output, scene control, blind, shift register, multiple operation , RGB/RGBW send value and delay mode, etc.Additionally, it also supports KNX Secure, room temperature control, logic and scene group functions.Support the KNX Secure.