2pcs Universal Garage Remote Transmitter Key Fob 433mhz to 868MHz Remote Control Replicator For Multi Brand Gate Door Remote Control Suitable for 99% of remote controllers on the market. If you are worried about compatibility, please contact me. Specifications: Product material: ABS Product size: 50*40*10mm Product weight: 30 g Product color: white and gray Rated voltage: 3 V Installation: wireless Learning frequency range: 287MHz,300MHz ,306MHz ,310MHz ,315MHz, 315.5MHz ,330MHz, 360MHz ,390MHz, 410MHz, 430.5MHz, 433.42MHz, 433.92MHz, 868.35MHz, 286-361MHz, 384-400MHz. Radio transmission distance: 30-100m (Open area) Scope of application: garage door, alarm, automatic door, rolling door, etc. Product Description A replacement for remotes with fixed and rolling codefrequency from 280 to 868 MHz Up to 4 different remotes in ONE! Every button can be programmed as a replacement for a different brand, so using only one transmitter you can control up to 4 devices from different producers. For Multi-brand remote controls. 1 remote control can control up to 4 different brands of remote controls. For Multi-frequency remote controls. Work for 287-868MHz fixed and rolling code remotes. Multi-functional remote control for 1, 2, 3 or 4 buttons remote control Low power consumption remote control. One CR2032 battery lasts for 2 years. The remote control contains batteries. The battery can be replaced, If you abnormal use will cause the battery life to be reduced. Wide range of uses. Uses: garage doors, Gate Doors, motorcycles, car alarm products, home security products, short-range wireless remote control products, industrial control products, Alarm Systems etc. Before order: kindly note , our remote is the COMPATIBLE / REPLACEMENT /CLONE remote , not the original one . please make sure your remote / system can be used before buying . If you are not so sure , please contact us without hesitate . What is Included Remote control Battery Keychain English instruction manual