Is it possible to buy a seperate stand for the receiver? Does it beep when the battery is getting low? Is there a place on the receiver to attach a ring so it can be hung on a hook?

The receiver LED indicator will flash once every 2 seconds when the receiver is low on power and needs a recharge.

Questions & Answers: JTD Rechargeable Key Finder, Wireless RF Item Locator, Remote Control Tracker for Keys Phones Pet Collars Remote Controls Luggage [KF-05-C]

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JTD Rechargeable Key Finder, Wireless RF Item Locator, Remote Control Tracker for Keys Phones Pet Collars Remote Controls Luggage [KF-05-C]

SIMPLE OPERATION: Just press the button and the receiver’s beeps will help you find your lost item. Attach the receivers to your keys, mobile phones, wallets, pet collars, TV remotes, luggage, purses, or anything else you’d hate to lose.
5 RECHARGEABLE RECEIVERS: 50 minutes of charging (USB cable included) provides an incredible 3 months of use! Don’t forget to activate each receiver before first use (see description below)
LOW BATTERY ALERT: The receiver LED indicator will flash once every 2 seconds when the receiver is low on power and needs a recharge.
LONG DISTANCE TRACKING: Up to 80dB beeping sound and 30m (98’) wireless range in open area! The radio frequency (RF) signal can penetrate through walls, floors, cushions, leather, etc.