□= Blank,DA,DA2 ○= Blank,DA,DA2,IoT,KN,KNBST
Blank: with 3 in 1 dimming function (0~10Vdc,10V PWM signal and resistance )
DA/DA2: DA= DALI control technology ; DA2= DALI-2 control technology
IoT: with Bluetooth mesh,For a selection of brands, please refer to p8.
KN: KNX control technology