SALTO XS4 Electronic Half Escutcheon Ax660 for panic bar; 1 handle; any type; built in mechanical cylinder with audit . Technology: Mifare + Bluetooth LE + HSE and standard square spindles; finishes and handles. Mechanical cylinder not included; for technical specifications consult SALTO. Gain durability feature included by default. For exterior use; consider adding the E5 (IP56) option.(Available only in the USA and Canada)