Standard G4 bi-pin base, perfect replacement for halogen G4 bulbs. Long lifespan up to 30,000 hours, saving on maintenance costs from frequent bulb replacements. Low power consumption: 3W LED can replace 30W halogen G4 capsule bulbs, saving up to 85% on your electricity bill. No worries – no flicker, no radiation, standard G4 base easily replaces regular G4 halogen lamps. G4 LED bulbs are ideal for under-cabinet lighting, ceiling lights, pendant lights, chandeliers, under-counter lighting, accent lighting, puck lights, desk/table lamps, cabinet lighting, display and landscape lighting, etc. Product Name: G4 -2835-20LED Dimming Lamp holder type: G4 Voltage: AC / DC12V-24V Working rate: 3W Luminousness: 360 degrees Number of LEDs: 20LED*2835SMD Energy saving: 85% Lifespan: 30000 hours Color temperature: Warm white (2700-3200K) Color: As shown Material: Silicone Size: 37 x 13 mm Package contents: 20 x G4 bulb Only the above package content, other products are not included. Note: Light 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 +/- 1-3 cm.