Straight off the bat you notice that the ZenFone 4 is a well-built smartphone. Its one-piece aluminium frame, as well as flush Corning Gorilla Glass back and front - the back's smoothness not even being interrupted by a protruding camera bezel - giving of the premium feel on hand. The ZenFone 4 comes with a 5.5-inch Full HD, (1920 x 1080 resolution) LCD screen. Under the hood, the device is powered by the Snapdragon 630 CPU and Adreno 508. Camera wise, it has a 12MP F1.8 aperture 25mm focal length main camera, as well as a secondary 120-degree wide angle camera. At the front is the 8MP selfie camera. Both cameras are HDR capable and also been optimized and refined for superior low-light photography. ZenFone 4's camera system also allows shooting in RAW, slow motion, and even time-lapse, while the handset can also capture UHD 4K video. By enabling the phone's "Pro" camera mode, the user also gets access to a suite of - for a smartphone - handy manual adjusters for those who like to tinker to get the perfect shot. This device is juiced by a non-removable 3300 mAh battery, with fast-charge capability, meaning than 50 per cent charge can be achieved 30 minutes.