ITEM NAME:50 Pcs 5mm Diameter Round Head Red Light LED Lamp Emitting Diodes B7L2 50 Pcs 5mm Diameter Round Head Red Light LED Lamp Emitting Diodes B7L2 Material: Semiconductor Quantity: 50 ±2% Pcs Emitting Light Color: Red Head Dia.: 5mm / 0.197" Size(Approx) : 34 x 3 mm / 1.3" x 0.1" (L*W)) 2 pins LED light emitting diode, designed with clear round head, common uesd as lamp LED light emitting diode is usually used in industry, traffic lights, home DIY bulbs or electronic filed, such as screen They are power saving. Forward Voltage: 3.0-3.2V Luminous Intensity: 12000-14000mcd Wave Length: 620-625 nm Main Color: Clear, Silver Tone Weight: 18g; Package Content: 50 x Light Emitting Diodes Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.