Instant purchase is okay! - No issues with use - Batteries not included (requires 2 AAA batteries) - No accessories [Product Name] dretec Study Timer Time Up 2 Silent T-580WTDI White [Product Details] This timer can count down as well as count up, making it convenient for recording and managing study time. Furthermore, it has a silent mode, so you can use it with peace of mind in libraries or quiet environments. Also, its compact and lightweight design makes it easy to carry around and doesn't take up much space on your desk.