... high-quality electronic ballast, long life, without noise3. Professional optical design, a wide range of exposure, even4. Solid materials, high standards ... .Lamp life: 3000h11.Area covered: 40Sq.m.Suitable Places:House,hotel,bedroom,liveroom,office ,dinning room,restaurant,cake shop,bedroom,aisle ... of Products:Red, Yellow,Gree,BlackWith CE&RoHS certification New design Mosquito killer