Compatible with AC/DC 12V. No flickering if used with transformers whose wattage is matched with the LED bulb ECO-co.ukIENDLY:No UV or IR Radiation,No Flicker,No Lead or Mercury,No harm to your health and Protect your eyes.360 degree beam angle, G4 12V LED bulb use COB packaged LED Chip, 150 lm, 3000k Warm APPLICATION: G4 led bulb use for car, RV, landscape bulb, under cabinet lighting, post lights,restaurant,recessed light,hotel, table lamp REDUCE RE-LAMP co.ukEQUENCY:Lifespan is over 2000 hrs,save effort and maintenance costs on changing bulbs co.ukequently WHAT CAN YOU GET:Pack of 10 cool white 3w led lamp Product description Features: Certification:CCC,CE,RoHS Power:3W Voltage:AC/DC 12V Socket:G4 Led Chip Model:COB CHIP Color Temperature:Cool Light 6500K Lumens:150lm Beam angle :360 degree Lifespan:50,000hrs Housing material:Silica Gel Bulbs Length:30~40mm Packing Included: 10 x led G4 12v COB LED Lamp