Features:Each receiving controller can store multiple remoteHigh confidentiality, storage capacity, stable performance and low power consumptionRemote control and manual control is fully compatibleThe operation is simple and convenientSpecifications:Operating temperature: -10- + 50 COperating Voltage: AC220 10% / 50-60HzTransmission distance: 50-100mOperating frequency: 315 MHzLoad power :less than equal 500 WUsed For: projection screen, electric curtains, electrical tower, garage doors, Extensible doors, etc.Color: WhiteMaterial: ABSsize:Receiver: 5x8cmRemote control: 4.3x12.5cmPackage Contents:1 x Front Controller1 x Remote ControlOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.