... 5). Use PC tube & cover to ensure the safety;6). Without hydrargyrum or other harmful materials listed in RoHS; ... Maintenance free, easy installation, small size, wide viewing angle.6. Low Power Consumption, The low heat emission, more energy ... floodlight, etc.Applications:1.use( living room, bedroom, kitchen, washroom )2. School, University, Hospital, Hotel3. Conference, Meeting room, Show room, ...