Brightness Acuity Tester (BAT) - Carley 3.7v.
Brightness acuity tester bulb. For use with the Mentor BAT. Incandescent bulb with 2.7 watts and 3.7 volts. Clear finish with 0.19" diameter and 0.63" overall length. T1 1/2 shape with Sx6 / Midget flange base.
Carley Lamps ME224506 2831 224506 3.7 2.7 12 0.19" 0.63" T1 1/2 Sx6 / midget flange Clear Mentor Brightness acuity tester