BEESPI V PHOTOGATE BY NARIKA CORPORATION
BeeSpi V photogate. Easy to use photogate by Narika Products. Operation: 2 x AAA batteries (not included) this item is a BEST SELLER !
Use this handy photogate to measure free fall speeds, cars and projectile velocities. Two parallel photogates detect, measure and display speeds of any objects that pass through from zero to 99.99 km/h. Also measures in m/s.