G is the type of bulb pin. 4 is refers to the distance between the center points of the pins.
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G4-4014-48SMD: DC/AC10-16V, 210lm, 2W, PF 0.69 Contact UsGY6.35-2835-20SMD: DC/AC 10-16V, 230lm, 2.5W, PF 0.7, GY6.35 pin Contact UsG4-0705COB1W DC: DC 12V, 100-120lm, 1.8W, PF 0.94 Contact UsEnergy Saving Lamp Ce RoHS Approval G4 LED Bulb Contact UsSMD G4 Mini LED Light Bulb,Item: G4-3014-48SMD Contact UsG4 SMD 3014 Silicone Crystal LED Mini Bulb for Crystal Chandelier Contact Us220VAC Silicon 2835SMD G4 Bi pin LED BULB: AC 110V/220V Contact Us220VAC Silicon G4 LED BULB,G4-3014-32SMD Contact Usbi pin light bulbs
Model: G4-2BS-1W glass
Voltage: DC/AC 12V,
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