Chinese communications giant Huawei has released a new smartphone series, the Nova 4, which features a hole-punch display and 48-megapixel camera.

The diameter of the hole on the top left corner of the screen is only 4.5 millimeters for the 25-megapixel selfie camera. The screen-to-body ratio of the Nova 4 reaches 86.3 percent with hidden receiver, indicator light, distance and light sensor.

He Gang, president of Huawei's smartphone operations, introduces the Nova-4 at a news conference in Changsha, Hunan Province, December 17, 2018. (Photo: IC)

Another highlight of the phone is the three rear cameras, including a 48 MP primary one, a 16MP ultra wide-angle snapper and a 2MP depth sensor.

Nova 4 is powered by the Kirin 970 processor, which can also be found in the View 10 and Huawei P20 Pro.

Other Nova 4 specs include a 6.4-inch 2310 x 1080 display, 8GB of RAM, 128GB of storage.

The Nova 4's high-end model is priced at 3,399 yuan (around 490 USD) while the 20MP standard model will cost 3,099 yuan.