... & ODM offering 5. 10 laps Specifications of ST-506 multi-mode stop watch with memory recall and lap ... counter and dual display ST-506 Stopwatches10 Lap ... size:56x33x51cm=0.095CTN weight:22/21kgs ST-506 multi-mode stop watch with memory recall and ... :1. Proved by SGS with RoHs, REACH standard2. Multi-functional, with step counter, calorie, stopwatch, etc. ...