4K-1S | 4000 Series 1 way intercom Mechanical Stop Kit Telephone Type Standard DTMF (Dual

Telephone Type Standard DTMF (Dual Tone Multi Frequency) generating telephone

Operating Cycles per Day: Up to 1000 (opening/closing

Download Videx SMS Wizard from Apple Store

For H21/500: Ensures a perfect fit and seamless integration

Remote programming via ALERT One App

4K-1S | 4000 Series 1 way intercom Mechanical Stop Kit Telephone Type Standard DTMF (DualProduct overview The Videx V 4K 1S A is a sophisticated 1 way surface audio kit from the 4000 Series, featuring an elegant aluminium panel designed for small residential homes or offices. Full duplex communication for simultaneous two way conversations Surface mount panel with built in lock release relay Aluminium finish with backlit name window Wall mounted audio handset with adjustable volume Simple four wire installation between panel and handset