Bytomic Gym Timer is finished in a gloss black plastic frame that looks great in the gym. Suitable for all sports including Martial Arts, Boxing, CrossFit, HIIT, MMA, BJJ etc Audible beep to begin and end cycles. Wireless Remote control AC Adapter 2 Holes in back in order to mount to wall Timing Functions: Time (12/24h) Count Up Count Down Stop Watch. Custom Intervals - Easily set time to work, rest, and number of cycles. All functions begin with 10 second count down. Operation instructions included Pre-Programmed Timers: TABATA - 20 seconds work and 10 second rest for 8 cycles FGB - 3 rounds of 5 x 1 min work and then 1 min rest. Dimensions: 64 x 16 x 6cm