... 3.instant heat 4.longlife gold lamp(HELEN),no UV 5.portable 120 volt electrical partsModel: LDHR005GCertificate: ETL/cETL, CE, GS, ROHS, ... directly, not the air around them- Economical to operate, affordable with low running costs, high heating efficiency- Silent operation, no UV ... as you like. Liangdi heaters offer innovative and optimal benefit with least need of space, which provides a complete new ...