On your iPhone 4S/New iPad, download Philips InRange from Apple App Store and start running the app. Follow the on-screen instruction to add the items you want to protect and set the alarm range. Then attach Philips InRange devices to the item.
To look for the added item within the set range, tap the home button on your iPhone 4S/New iPad and the InRange device attached to the item rings. Press the button on the InRange device to look for your iPhone 4S/New iPad within the set range in reverse.