Veridian iBaby monitor allows you to keep your ward close with a touch of your iPod touch, iPhone or iPad. The free iBaby app is available at the Apple Store. 2-way audio and one way video works with all your PC and/or mobile devices. The camera on the monitor can be remotely rotated from the iOS touchscreen or PC mouse. This can allow you to check around the child or adult, speak back and correspond with them, and allows instantaneous response. Up to four devices and 4 users can share control of the camera anywhere; its perfect for monitoring by multiple caregivers. The camera also has infrared night vision, an unlimited range, and a sound alert alarm system to hear only over a certain threshold. This is truly some of the most advanced and specialized monitoring equipment available.