• App capable master can replace existing JO-1MD to provide mobile connectivity• Talk to visitors at your door from your mobile device• Connect up to 8" obile devices, like smartphones or tablets, per system• On-site monitor ensures all calls get answered or recorded• Store and view calls with no added fees using onboard memory• Add a MicroSD card to increase memory to max 32G• Activate door release on site or off (With mobile app)• 7" Touchscreen makes identification easy• Zoom in for greater details