Installed for one year prior to removal.

• Power Source: 18V DC - use PS-1820UL
• Communication: Hands-free: Auto-voice actuation; PTT: Push-to-talk, release-to-listen
• Video Monitor: 7" color LCD screen
• Door Release: Contact rating: 24V AC/DC, 500mA - use RY-18L for larger contact rating
• Min. Illumination: 5 lux at 1'6"
• Wiring: Door to master: 2 conductor, mid cap, solid, non-shielded
• Wire Type: Aiphone #871802