With the ability to count up & down in 4 channels separately or simultaneously, the CDN PT1A 4-Event Timer & Clock features a unique loud and long alarm for each individual channel. The programmable timer includes a clock with international time and a stopwatch, stop and restart functions, and a sliding mode switch. It includes a pocket clip, magnet, stand, and a loop. Battery (1.5V Button IEC LR44 Alkaline) and instructions included. 5 year limited warranty.