Apple Magic Keyboard with Numeric Keypad  was launched back on 5th June 2017 during WWDC 2017.
It retails for S$188 and that makes it S$40 more expensive than the Apple Magic Keyboard  which retails for S$148.
This is a full-size wireless keyboard, and hence it is the successor to the wired Apple Keyboard with Numeric Keypad .
With the launched of this keyboard, Apple now no longer sells a wired keyboard.
This keyboard connects to your Mac via Bluetooth and comes with a built-in rechargeable battery. You can charge the battery using the included Lightning to USB Cable. Also, you can charge and use the keyboard at the same time.
At the back of the keyboard houses the power switch on the right, a Lightning port in the middle and a Bluetooth radio on the left.