Intelligent tester for short distance running test pull-up rope standing long jump tester

About Product:Hj-q229 50M running tester\n1. The measuring range is 0s-999.9s\n2. Measurement resolution: 0.1s\n3. Measurement accuracy: ±1.5%\n4. Rechargeable lithium batteries.\n5. Power supply voltage AC220V/DC12V\n1. Adopting wireless data transmission mode makes data transmission more convenient.\n2. Starting foul setting, no score is required for stealing\n3. The main engine adopts an all-in-one machine with high safety and stability.\n4. Long distance wireless data transmission module and photoelectric technology are adopted to avoid the influence of different colors of clothes on induction.\n5. Can be expanded to 8 people at the same time, large