Viking Electronics K 1200 EWP 12 Button Apartment Entry Phone 4 foot Bass Driver Circuitry 31936 Bass Driver Circuitry The Feet Are Designed To Accept A T Post Through The Center Of The Foot Operates on 12 to 24 volts AC DC 12 speed dial buttons (each up to 32 digits) 12 second number positions (each with 32 digits) One button operation (no call button) Hang up on CPC time out or dial tone return Touch Tone restriction from microphone Integral relay for camera control or door strike Works with C 1000B for increased security Works with C 3000 for “No CO” operation Optional Enhanced Weather Protection (EWP) VE LIGHT compatible