Hilltrend product: US Patent 8,388,165
Solar Power Blinking keychain (key ring), no batteries required.Select the backgrounds and put the Name or Message which you want blinking on the key chain into payment note or put the Name in eBay message system to us, we will make and mail the item to you.
No light, no battery inside. Just blinking under normal lights.
**Some buyer like NAME with all big capital lettering, but most buyer like only the first lettering with big capital Name, and we will make it same as your note or message what you write down.
Body size: 2.375 x 1 x 0.375 inch, LCD size: 2 x 0.75 inch
US Combine items shipping and handling fee: 1st $3.95, each additional $1.