... Desk-top Streak Retinoscope Set, Order Code: 418-2000 SR24F Desk-top Streak Retinoscope Set, Order Code: 418-2000Set complete with: 3.5V Streak Retinoscope, 486 desk-top ... , carton box.3.5V Streak Retinoscope, Order Code: 418-0010486 desk-top power with handle, Order Code: 486-0010Power adapter for CN ... .5V Spare bulb of Streak Retinoscope, Order Code: 418-0910 Desk-Top Streak Retinoscope Set(SR24F)