lamp 1.5V – 6V 0.5A
The small light bulb used for physical circuit experiment has many voltage parameters.
(1) Rated voltage: 2.5V, current: 0.3A
(2) Rated voltage: 3V, current: 0.3A
(3) Rated voltage: 3.8V, current: 0.3A
(4) Rated voltage: 6V, current: 0.5A
The actual voltage is slightly higher or lower than the rated voltage, which will not affect the use.
The price is for one piece only

Red led 3mm small
IR LED and IR Photo-diode 









