1.2 loads control 2.150~200m (open space) 3. 315MHz / 433MHz 4.Dimension 82* ... curtain ,device control,various wireless appliance switch control,etcFor order:1.Accept OEM, ODM.2.Print logo on the case and pakage3 ... )2.3 years guarantee period (only charge Components cost) Packing:white box, plastic bag, customized TDL-T80A two way wireless remote control switch ...