... heat 4.longlife gold lamp(HELEN),no UV 5.portable waterproof bathroom ceiling heatersModel: LDHR002GCertificate: ETL/cETL, CE, GS, ROHS, ... running costs, high heating efficiency- Silent operation, no UV- Waterproof, resistant to adverse weather conditions- Environment friendlyApplication Areas- Restaurants, ... fits as integration in big umbrella& tent system. waterproof bathroom ceiling heaters