?Just a security lock for protecting you and your family's safety is not enough. Owning a remote control can make the using of security more convenient. This product use digital coding modulation technology£¬ which has features such as strong anti-interference£¬ stable performance£¬ high reliability£¬ no direction£¬ etc. This is prefect product with long service time£¬ low power consumption£¬ high quality and competitive price. It won't cause mutual interference. It features small and exquisite£¬ easy to use. It can work perfectly in 80-200 meters. Safety comes first. Do not let such a good opportunity slip.                                    Features             New and high quality<br> Compact design and easy to operate<br> Used in garage door£¬ barrier£¬ lift gate£¬ home appliances and other industrial remote areas<br> Low power consumption<br>                                                            Specifications            Dimensions    6.1 x 3.8 x 1.5 cm / 2.40 x 1.49 x 0.59in(L x W x H)    <br>Color    Grey and Red Button    <br>Weight    27 g / 0.95 oz    <br>                                                            Package Includes            1 x Transmitter<br>