The Aiphone JOS1F kit icludes 1 x JO1MD Master monitor, 1 x JODVF Stainless Steel Vandal Resistant Flush mount Door Station and 18 volt Power Supply The JO series is a stylish design 7" screen that delivers high quality images. The JO Series can accommodate one door and up to two inside stations. Easy to identify and use touch buttons makes it simple tooperate allowing identification and communication withvisitors at locked doors. Door / gate release button allows you to accept your visitor with out leaving the screen. The JO series is equiped with an advanced light adjustment feature to compensate for varying light levels The JOS1F includes: 1 x JODVF Stainless steel vandal resistant flush mount door station 1 x JO1MD master station 1 x 18 volt power supply OPTIONAL: 1 x JO1FD Expansion monitor FEATURES: Power Source 18V DC 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 KBWIRE Ready to install box sets include one door station, one inside station, and power supply. other Kits available JOS1F - Includes 1 x JODVF door station and 1 x JO1MD master station and 1 x 18 volt power supply JOS1A - Includes 1 x JODA door station and 1 x JO1MD master station and 1 x 18 volt power supply SPECIFICATIONS: JO-1MD Master Station Power supply 18 Volts DC Current consumption ( Standby ) 24 mA ( Max ) 410 mA Communication Hands-free: Auto-voice actuation PTT: Press-to-talk, release to listen Ambient temperature 0 - 40°C (+32°F - +104°F) Monitor 7 inch color LCD screen Mounting Wall mount Electrical Box 3 gang box Material Flame resistant ABS resin Color White Dimmension 130 (H) x 230 (W) x 21 (D) (mm) 5-1/8 (H) x 9-1/16 (W) x 13/16 (D) (inches) Weight Approx. 470g (1.04 lbs.) JO-DA/JO-DV/JO-DVF (Video door station) Camera Unit 1/4 - inch color CMOS Ambient temperature -20 - 60°C (-4°F - +140°F) Minimum illumination Approx. 5 lux at 50 cm (1'6'') distance Dimensions (JO-DA) 129 (H) x 97 (W) x 36 (D) (mm) 5-3/32 (H) x 3-27/32 (W) x 1-13/32 (D) (inches) Dimensions (JO-DV) 173 (H) x 98 (W) x 27 (D) (mm) 6-13/16 (H) x 3-7/8 (W) x 1-3/8 (D) (inches) Dimensions (JO-DVF) 209 (H) x 135 (W) x exposed area 3.5 (D) (mm) 8-1/4 (H) x 5-5/16 (W) x 5/16 (D) (inches) (Flush mount back box for JO-DVF) 180 (H) x 110 (W) x 45 (D) (mm) 7-3/32 (H) X 4-3/8 (W) X 1-25/32 (D) (inches) Weight (JO-DA) Approx. 200 g (0.44 lbs.) Weight (JO-DV) Approx. 650 g (1.43 lbs.) Weight (JO-DVF) Approx. 580 g (1.27 lbs.) (Flush mount back box for JO-DVF) Approx. 550 g (1.2 lbs.) IP rating IP54 (JO-DA / JO-DV / JO-DVF) IK rating IK08 (JO-DV) IK07 (JO-DVF)