Features:Extremely easy to set up and use.It covers application ranging from simple domestic remote control to autonomous control, like auto-door, window, lifting equipment, entrance access, up and down controller, industrial control and security etc.Made of ABS+metal, durable and reliable.The volume issmall and the performances isstable and reliable, high receive sensitivity.These remote controls are designed to control a wide variety of electronic devices with a wireless signal.brand new and high quality Package Includes:1 Set Remote Control Specifications:Material: ABSType:Single Remote Control/Dual Remote ControlOperating frequency: 315MHz/433.92MHzSize:Approx.8.7x12.2cm/3.43x4.8inches note:1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.