Print and attach these three labels to: (1) the device, (2) the power adaptor and (3) inside the battery compartment of the device. You can omit the third tag if the device has no battery compartment. Check this drawing if in doubt.

Device tag ID: 000020670		Power adap. tag ID: 000020670		Batt. comp. tag ID: 000020670		Battery watt-hours: Not available
This device has to stay at your property or donations will stop.