Apple tv remote

A1427 is an Apple TV (3rd generation), and that is not compatible with the newer model Siri Remote.

• The Siri Remote is compatible with Apple TV (4th generation or later)
• The Apple Remote (aluminum) is compatible with all models Apple TV.

This document lists compatibility: Identify your Apple TV remote - Apple Support

Replacement remotes will have to be paired or linked: If your Apple TV remote isn’t working - Apple Support

You can buy from the online Apple Store or other resellers (Amazon, eBay, …).

For which country is this?

Here’s link to the Apple’s Singapore shop for the remote: Apple Remote (aluminum) - Apple (SG)